Explore topic-wise MCQs in Aptitude.

This section includes 639 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

201.

The distance between two pillars is 120 metres. The height of one pillar is thrice the other. The angles of elevation of their tops from the mid point of the line connecting their feet are complementary to each other. The height (in metres) of the taller pillar is (Use : 3 = 1.732)

A. 34.64
B. 51.96
C. 69.28
D. 103.92
Answer» E.
Discussion
202.

The length of shadow of a tower is 3 times that of its length. The angle of elevation of the sun is :

A. 45
B. 30
C. 60
D. None
Answer» C. 60
Discussion
203.

From the top of a 20 metre high building, the angle of elevation of the top of a tower is 60 and the angle of depression of its foot is at 45 , then the height of the tower is ( 3 = 1.732)

A. 45.46 metre
B. 45.64 metre
C. 54.64 metre
D. 54.46 metre
Answer» D. 54.46 metre
Discussion
204.

A man standing on the bank of a river observes that the angle of elevation of the top of a tree just on the opposite bank is 60 . But angle of elevation is 30 from a point which is at a distance 20 3 ft away from the bank. Then the height of the tree is :

A. 60 ft
B. 45 ft
C. 30 ft
D. 15 ft
Answer» D. 15 ft
Discussion
205.

Two ships are sailing in the sea on the two sides of a light house. The angles of elevation of the top of the light house as observed from the two ships are 30 and 45 respectively. If the light house is 100m high, the distance between the two ships is : (take 3 = 1.73 )

A. 173 metre
B. 200 metre
C. 273 metre
D. 300 metre
Answer» D. 300 metre
Discussion
206.

The height of a tower is 50 3 metre. The angle of elevation of a tower from a distance 50 metre from its foot is

A. 30
B. 45
C. 60
D. 90
Answer» D. 90
Discussion
207.

A 1.6 m tall observer is 45 metres away from a tower. The angle of elevation from his eye to the top of the tower is 30 , then the height of the tower in metres is (Take 3 = 1.732)

A. 25.98
B. 26.58
C. 27.58
D. 27.98
Answer» D. 27.98
Discussion
208.

If the length of the shadow of a vertical pole be 3 times the height of the pole, the angle of elevation of the sun is :

A. 60
B. 45
C. 30
D. 90
Answer» D. 90
Discussion
209.

An aeroplane flying horizontally at a height of 3 km. above the ground is observed at a certain point on earth to subtend an angle of 60 . After 15 seconds of flight, its angle of elevation is changed to 30 . The speed of the aeroplane (Take, 3 = 1.732) is

A. 230.63 m./sec.
B. 230.93 m./sec.
C. 235.85 m./sec.
D. 236.25 m./sec.
Answer» C. 235.85 m./sec.
Discussion
210.

The angle of elevation of the top of an unfinished pillar at a point 150 metres from its base is 30 . The height (in metres) that the pillar must be raised so that its angle of elevation at the same point may be 45 , is (Take, 3 = 1.732)

A. 63.4
B. 86.6
C. 126.8
D. 173.2
Answer» B. 86.6
Discussion
211.

A telegraph post is bent at a point above the ground. Its top just touches the ground at a distance of 8 3 metre from its foot and makes an angle of 30 with the horizontal. The height (in metre) of the post is :

A. 12
B. 16
C. 18
D. 24
Answer» E.
Discussion
212.

The value of the expression 2 (sin6 + cos6 ) 3 (sin4 + cos4 ) + 1 is

A. 1
B. 0
C. 1
D. 2
Answer» C. 1
Discussion
213.

If sin A + sin A =1 then what is the value of cos A + cos

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. 1
C. 2
D. 3
Answer» C. 2
Discussion
214.

The value of cosec 60 + sec 60 cot 60 + tan 30 will be

A. 5
B. <table><tr><td rowspan="2">5</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C. <table><tr><td rowspan="2">5</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. <table><tr><td rowspan="2">5</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» D. <table><tr><td rowspan="2">5</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Discussion
215.

cos - 3cos + 2 = 1 issin

A. 90
B. 30
C. 45
D. 60
Answer» E.
Discussion
216.

If is positive acute angle and 4 sin = 3, then the value of

A. 1
B. 0
C. 3
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» C. 3
Discussion
217.

If tanq = 1, then the value of 8sin + 5cos is :sin - 2cos + 7cos

A. 1
B. 3
C. 2
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Discussion
218.

If r sin = 7/2 and r cos = 7

A. 30
B. 45
C. 60
D. 75
Answer» B. 45
Discussion
219.

If cos 21 = x/y , then (cosec 21 cos 69 ) is equal to

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>x </center></td></tr><tr><td style="text-align: center;">y <span style=" text-decoration: overline;">y + x </span></td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>y </center></td></tr><tr><td style="text-align: center;">x <span style=" text-decoration: overline;">y - x </span></td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>y </center></td></tr><tr><td style="text-align: center;">x <span style=" text-decoration: overline;">x - y </span></td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>x </center></td></tr><tr><td style="text-align: center;">y <span style=" text-decoration: overline;">x - y </span></td></tr></table>
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>y </center></td></tr><tr><td style="text-align: center;">x <span style=" text-decoration: overline;">y - x </span></td></tr></table>
Discussion
220.

The least value of tan x + cot x is:

A. 3
B. 2
C. 0
D. 1
Answer» C. 0
Discussion
221.

If cosec + sin = 5/2, then the value of (cosec sin ) is :

A. <table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C. <table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span></center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span></center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
E.
Answer» C. <table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span></center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Discussion
222.

What is the value of sec 330 ?

A. 2
B. <table><tr><td rowspan="2"> - </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA - tan B)</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
C. 2
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA - tan B)</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
Answer» E.
Discussion
223.

If 7sin + 3cos = 4, and 0 < < 90 , then the value of tan is :

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
C. <table><tr><td rowspan="2"> <span style=" text-decoration: overline;"></span></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. 1
Answer» C. <table><tr><td rowspan="2"> <span style=" text-decoration: overline;"></span></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Discussion
224.

(1 + tan A) cotA is equal to cosec A

A. cot A
B. tan A
C. sin A
D. cos A
Answer» C. sin A
Discussion
225.

If sin (2a + 45 ) = cos (30 a), where 0 < a < 90 , then the value of a is :

A. 0
B. 15
C. 45
D. 60
Answer» C. 45
Discussion
226.

ABC is a right angled triangle with A = 90 . Then the value of cos A + cos B + cos C is :

A. 2
B. 1
C. 0
D. 3
Answer» C. 0
Discussion
227.

The value of tan 13 will be12

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span> + 1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span> - 1</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span> - 1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span> + 1</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span></center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span> + 1</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span> - 1</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span></center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span> + 1</td></tr></table>
Discussion
228.

The value of (cos 53 sin 37 ) is

A. 0
B. 1
C. 2 sin 37
D. 2 cos 53
Answer» B. 1
Discussion
229.

The value of 2tan 53 - cot 80 is :cot37 tan 10

A. 3
B. 2
C. 1
D. 0
Answer» D. 0
Discussion
230.

If sec (4x 50 ) = cosec (50 x), then the value of x is

A. 45
B. 90
C. 30
D. 60
Answer» D. 60
Discussion
231.

If tan = 4/3, then the value of

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. <table><tr><td rowspan="2">1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C. 3
D. 3
Answer» D. 3
Discussion
232.

If is positive acute angle and 7 cos + 3 sin = 4, then the value of is :

A. 60
B. 30
C. 45
D. 90
Answer» B. 30
Discussion
233.

The value of the expression 2 (sin

A. 1
B. 0
C. 1
D. 2
Answer» C. 1
Discussion
234.

If tan (A B) = x, then the value of x is

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA + tan B)</center></td></tr><tr><td style="text-align: center;">(1 - tanA tanB)</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA + tan B)</center></td></tr><tr><td style="text-align: center;">(1 + tanA tanB)</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA - tan B)</center></td></tr><tr><td style="text-align: center;">(1 - tanA tanB)</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA - tan B)</center></td></tr><tr><td style="text-align: center;">(1 + tanA tanB)</td></tr></table>
Answer» E.
Discussion
235.

sinA sinB + cosA cosB = ? cosA + cosBsinA + sinB

A. 1
B. cos A
C.
D. sin A
E. 0
Answer» E. 0
Discussion
236.

If cosx = siny and cot ( x 40 ) = tan (50 y), then the values of x and y are :

A. x = 70 , y = 20
B. x = 75 , y = 15
C. x = 85 , y = 5
D. x = 80 , y = 10
Answer» D. x = 80 , y = 10
Discussion
237.

If 1 = x, then the value of x is (tanA + cotA)

A. cosAsinA
B. cos Asin A
C. cosecAsecA
D. cosec Asec A
Answer» B. cos Asin A
Discussion
238.

If 4x 4x sec + 1 = 0, then sec + tan = ?

A. 2x
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2x</td></tr></table>
C. 3x
D. <table><tr><td rowspan="2"> 2x or </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2x</td></tr></table>
Answer» E.
Discussion
239.

If 0 < < 90 , and tan (

A. 30
B. 45
C.
D. 60
E. 45 or 60
Answer» E. 45 or 60
Discussion
240.

If tan = a, find the value of a sin - b cos . ba sin + b cos

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a<sup>4</sup> - b<sup>4</sup></center></td></tr><tr><td style="text-align: center;">b</td><td style="text-align: center;">a<sup>4</sup> + b<sup>4</sup></td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a<sup>4</sup> + b<sup>4</sup></center></td></tr><tr><td style="text-align: center;">b</td><td style="text-align: center;">a<sup>4</sup> - b<sup>4</sup></td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a - b </center></td></tr><tr><td style="text-align: center;">b</td><td style="text-align: center;">a + b </td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a + b </center></td></tr><tr><td style="text-align: center;">b</td><td style="text-align: center;">a - b </td></tr></table>
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a<sup>4</sup> + b<sup>4</sup></center></td></tr><tr><td style="text-align: center;">b</td><td style="text-align: center;">a<sup>4</sup> - b<sup>4</sup></td></tr></table>
Discussion
241.

Evaluate : sec 39 + 2(tan 17 . tan 38 . tan 60 . tan 52 . tan 73 3 (sin231 + sin259 )cosec 51 3

A. 2
B. 3
C.
D. 0
E. 2
Answer» D. 0
Discussion
242.

If cos = m and cos = n, then (m + n ) cos b = ? cos cos

A. 1
B. 2n
C. n + 3
D. n
Answer» E.
Discussion
243.

If cot (A + B) = x, then value of x is

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>cotA.cotB 1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">cotA + cotB</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>cotA.cotB + 1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">cotA - cotB</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>cotA.cotB 1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">cotB - cotA</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>cotA.cotB 1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">cotA - cotB</td></tr></table>
E.
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>cotA.cotB + 1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">cotA - cotB</td></tr></table>
Discussion
244.

What will be the value of 2 cos 45 sin 15

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span> + 1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span> - 2</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span> - 1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span> + 1</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span> + 1</td></tr></table>
Discussion
245.

The angle of elevation of an aeroplane from a point A on the ground is 60 . After a straight flight of the plane for 30 seconds, the angle of elevation becomes 30 . If the palne flies at a constant height of 3600

A. 864 kmph
B. 846 kmph
C. 684 kmph
D. None of these
Answer» B. 846 kmph
Discussion
246.

What is the value of tan 330 ?

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
B. 0
C. 1
D. <table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
Answer» E.
Discussion
247.

What is the value of sin 240 ?

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span></center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. <table><tr><td rowspan="2"> - </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span></center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. <table><tr><td rowspan="2"> - </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Discussion
248.

If cosx = 3 and p &lt; x &lt; 3 , then the value of sin 2x will be52

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">25</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">15</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>24</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">25</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">26</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">26</td></tr></table>
Discussion
249.

If sinx cosy + cosx siny = 1, then the value of x + y will be

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> </center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. <table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> </center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> </center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> </center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">4</td></tr></table>
Answer» B. <table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> </center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">2</td></tr></table>
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250.

If sinx = 1/3 , then the value of sin3x will be

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>13</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">27</td></tr></table>
B.
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>27</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">23</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>27</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">13</td></tr></table>
E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>23</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">27</td></tr></table>
Answer» E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>23</center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">27</td></tr></table>
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