Explore topic-wise MCQs in Aptitude.

This section includes 186 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

51.

The sides of a triangle are 6 cm, 8 cm and 10 cm. The area of the greatest square that can be inscribed in it, is

A. 18 cm
B.
C. 15 cm
D.
Answer» E.
Discussion
52.

The radius of the base and height of a right circular cone are in the ratio 5 : 12. If the volume of the cone is
314
2
cm
7

, the slant height (in cm) of the cone will be

A. 12
B. 13
C. 15
D. 17
Answer» C. 15
Discussion
53.

If a right circular cone is separated into solids of volumes V1, V2 , V3 by two planes parallel to the base, which also trisect the altitude, then V1 : V2 : V3 is

A. 1: 2 : 3
B. 1: 4 : 6
C. 1: 6 : 9
D. 1: 7 : 19
Answer» E.
Discussion
54.

If for an isosceles triangle the length of each equal side is a units and that of the third side is b units, then its area will be

A.
B.
Answer» D.
Discussion
55.

a and b are two sides adjacent to the right angle of a right-angled triangle and p is the perpendicular drawn to the hypotenuse from the opposite vertex. Then p2 is equal to

A. a + b
B.
C.
D. a b
Answer» D. a b
Discussion
56.

Area of regular hexagon with side a is

A.
B.
C.
Answer» D.
Discussion
57.

The total surface area of a sphere is 8 square unit. The volume of the sphere is

A. 8
B. cubic unit
Answer» B. cubic unit
Discussion
58.

A hollow spherical metallic ball has an external diameter 6 cm and is 1 2 cm thick. The volume of the ball (in cm ) is (Take = 22/7)

A.
B.
C.
Answer» D.
Discussion
59.

The ratio of height and the diameter of a right circular cone is 3 : 2 and its volumeis 1078 cc, then (taking = 22/7) its height is :

A. 7 cm
B. 14 cm
C. 21 cm
D. 28 cm
Answer» D. 28 cm
Discussion
60.

The radii of the base of two cylinders A and B are in the ratio 3 : 2 and their height in the ratio n : 1. If the volume of cylinder A is 3 times that of cylinder B, the value of n is

A. 4/3
B. 2/3
C. 3/4
D. 3/2
Answer» B. 2/3
Discussion
61.

The volume of the metal of a cylindrical pipe is 748 cm3. The length of the pipe is 14cm and its external radius is 9 cm. Its thickness is (Take = 22/7)

A. 1 cm
B. 5.2 cm
C. 2.3 cm
D. 3.7 cm
Answer» B. 5.2 cm
Discussion
62.

A hollow cylindrical tube 20 cm long, is made of iron and its external and internal diameters are 8 cm and 6 cm respectively. The volume of iron used in making the tube is ( = 22/7)

A. 1760 cu.cm.
B. 880 cu.cm.
C. 440 cu.cm.
D. 220 cu.cm.
Answer» D. 220 cu.cm.
Discussion
63.

Four equal sized maximum circular plates are cut off from a square paper sheet of area 784 sq.cm. The circumference of each plate is (Take = 22/7)

A. 22 cm
B. 44 cm
C. 66 cm
D. 88 cm
Answer» C. 66 cm
Discussion
64.

If the difference between the circumference and diameter of a circle is 30 cm, then the radius of the circle must be

A. 6 cm
B.
C. 7 cm
D. 5 cm
E. 8 cm
Answer» C. 7 cm
Discussion
65.

Diameter of a wheel is 3 cm. The wheel revolves 28 times in a minute. To cover 5.280 km distance, the wheel will take (Take = 22/7) :

A. 10 minutes
B.
C. 20 minutes
D. 30 minutes
E. 40 minutes
Answer» C. 20 minutes
Discussion
66.

The surface area of a sphere is 616 cm . The volume of the sphere would be :

A. <table><tr><td rowspan="2">1437</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">cm </td></tr><tr><td style="text-align: center;">3</td></tr></table>
B. 2100 cm
C.
D. 2500 cm
E. <table><tr><td rowspan="2">1225</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">cm </td></tr><tr><td style="text-align: center;">5</td></tr></table>
Answer» B. 2100 cm
Discussion
67.

If in a ABC, the medians CD and BE intersect each other at 0, then the ratio of the areas of ODE and ABC is

A. 1 : 6
B. 6 : 1
C.
D. 1 : 12
E. l2 : 1
Answer» D. 1 : 12
Discussion
68.

The length of rectangle is increased by 60%. By what percent would the breadth to be decreased to maintain the same area ?

A. <table><tr><td rowspan="2">37</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;">2</td></tr></table>
B. 60%
C.
D. 75%
E. 120%
Answer» B. 60%
Discussion
69.

A cow is grazing in a pasture bordered by two fences more than ten feet long that meet at an angle of 60 . If the cow is tethered by a ten foot rope to the post where the fences meet, it can graze an area of:

A. 20p sq. feet
B.
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>50 </center></td><td rowspan="2">sq. feet</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>5 </center></td><td rowspan="2">sq. feet</td></tr><tr><td style="text-align: center;">3</td></tr></table>
E. None of these
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>50 </center></td><td rowspan="2">sq. feet</td></tr><tr><td style="text-align: center;">3</td></tr></table>
Discussion
70.

In ABC, D, E and F are the mid-points of sides BC, CA and AB respectively. What is the area of quadrilateral BDEF ?

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">rd of area of ABC</td></tr><tr><td style="text-align: center;">3</td></tr></table>
B. Half of the area of ABC
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">th of the area of ABC</td></tr><tr><td style="text-align: center;">4</td></tr></table>
D. None of these
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">th of the area of ABC</td></tr><tr><td style="text-align: center;">4</td></tr></table>
Discussion
71.

Which of the the following statements is not correct?

A. For a given radius and height, a right circular cone has the lesser volume among a right circular cone and a right circular cylinder.
B. If side of a cube is increased by 10%, the volume will increase by 33.1%.
C. If the radius of a sphere is increased by 20%, the surface area will increase by 40%.
D. Cutting a sphere into 2 parts does not change the total volume.
Answer» D. Cutting a sphere into 2 parts does not change the total volume.
Discussion
72.

The length of the perpendiculars drawn from any point in the interior of an equilateral triangle to the respective sides are p

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">(p<sub>1</sub> + p<sub>2</sub> + p<sub>3</sub>)</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></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">(p<sub>1</sub> + p<sub>2</sub> + p<sub>3</sub>)</td></tr><tr><td style="text-align: center;">3</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">(p<sub>1</sub> + p<sub>2</sub> + p<sub>3</sub>)</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td><td rowspan="2">(p<sub>1</sub> + p<sub>2</sub> + p<sub>3</sub>)</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">(p<sub>1</sub> + p<sub>2</sub> + p<sub>3</sub>)</td></tr><tr><td style="text-align: center;">3</td></tr></table>
Discussion
73.

There is a 4% increase in volume when a liquid freezes to its solid state. The percentage decrease when solid melts to liquid again,is

A. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">%</td></tr><tr><td style="text-align: center;">13</td></tr></table>
B. 4%
C. <table><tr><td rowspan="2">4</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;">13</td></tr></table>
D. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>11</center></td><td rowspan="2">%</td></tr><tr><td style="text-align: center;">13</td></tr></table>
Answer» E.
Discussion
74.

A sphere of radius r is inscribed in a right circular cone whose slant height equals twice the radius of the base a. What is the relation between r and a ?

A. <table><tr><td rowspan="2">r = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td></tr></table>
B.
C. <table><tr><td rowspan="2">r = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. <table><tr><td rowspan="2">r = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
E. 3r = 2a
Answer» D. <table><tr><td rowspan="2">r = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table>
Discussion
75.

The diameter of the front wheel of an engine is 2x cm and that of rear wheel is 2y cm. To cover the same distance, find the number of times the rear wheel will revolve when the front wheel revolves n times.

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n</center></td><td rowspan="2">times</td></tr><tr><td style="text-align: center;">xy</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>yn</center></td><td rowspan="2">times</td></tr><tr><td style="text-align: center;">x</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>nx</center></td><td rowspan="2">times</td></tr><tr><td style="text-align: center;">y</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>xy</center></td><td rowspan="2">times</td></tr><tr><td style="text-align: center;">n</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>xy</center></td><td rowspan="2">times</td></tr><tr><td style="text-align: center;">n</td></tr></table>
Discussion
76.

The base of a triangle is increased by 10%. To keep the area unchanged the height of the triangle is to be decreased by

A. <table><tr><td rowspan="2">9</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;">11</td></tr></table>
B. <table><tr><td rowspan="2">11</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;">9</td></tr></table>
C. 11%
D.
E. 9%
Answer» B. <table><tr><td rowspan="2">11</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;">9</td></tr></table>
Discussion
77.

If h, c, v are respectively the height, curved surface area and volume of a right circular cone, then the value of 3 vh c h + 9v is

A. 2
B. 1
C. 1
D.
E. 0
Answer» E. 0
Discussion
78.

The volume of a right circular cone is 1232 cm3 and its vertical height is 24 cm. Its curved surface area is

A. 154 cm
B. 550 cm
C. 604 cm
D.
E. 704 cm
Answer» C. 604 cm
Discussion
79.

A right angled sector of radius r cm is rolled up into a cone in such a way that the two binding radii are joined together. Then the curved surface area of the cone is

A. r cm
B.
C. 4 r cm
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> r </center></td><td rowspan="2">cm </td></tr><tr><td style="text-align: center;">4</td></tr></table>
E. 2 r cm
Answer» D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> r </center></td><td rowspan="2">cm </td></tr><tr><td style="text-align: center;">4</td></tr></table>
Discussion
80.

The diameter of two hollow spheres made from the same metal sheet are 21 cm and 17.5 cm respectively. The ratio of the area of metal sheets required for making the two spheres is

A. 6 : 5
B. 36 : 25
C. 3 : 2
D. 18 : 25
Answer» C. 3 : 2
Discussion
81.

If the radii of two spheres are in the ratio 1 : 4, then their surface area are in the ratio :

A. 1 : 2
B. 1 : 4
C. 1 : 8
D.
E. 1 : 16
Answer» E. 1 : 16
Discussion
82.

The volume of a solid hemisphere is 19404 cm . Its total surface area is

A. 4158 cm
B. 2858 cm
C. 1738 cm
D. 2038 cm
Answer» B. 2858 cm
Discussion
83.

The volume of two spheres are in the ratio 8 : 27. The ratio of their surface area is :

A. 4 : 9
B. 2 : 3
C. 4 : 5
D. 5 : 6
Answer» B. 2 : 3
Discussion
84.

If S

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">S<sub>2</sub></td></tr><tr><td style="text-align: center;">4</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">S<sub>2</sub></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>3</center></td><td rowspan="2">S<sub>2</sub></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. S
E. <sub>2</sub>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">S<sub>2</sub></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Discussion
85.

If S denotes the area of the curved surface of a right circular cone of height h and semivertical angle a then S equals

A. h tan
B. <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"> h tan </td></tr><tr><td style="text-align: center;">3</td></tr></table>
C. h sec tan
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"> h sec tan </td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» 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"> h sec tan </td></tr><tr><td style="text-align: center;">3</td></tr></table>
Discussion
86.

Find the length of the largest rod that can be placed in a room 16m long, 12m broad and 10(2/3) m. high.

A. 23 m.
B.
C. 68 m.
D. <table><tr><td rowspan="2">22</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">m</td></tr><tr><td style="text-align: center;">3</td></tr></table>
E. <table><tr><td rowspan="2">22</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">m</td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» D. <table><tr><td rowspan="2">22</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">m</td></tr><tr><td style="text-align: center;">3</td></tr></table>
Discussion
87.

Length of each edge of a regular tetrahedron is 1 cm. Its volume is :

A. <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><td rowspan="2">cu.cm.</td></tr><tr><td style="text-align: center;">12</td></tr></table>
B. <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"> <span style=" text-decoration: overline;">3</span>cu.cm.</td></tr><tr><td style="text-align: center;">4</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;">2</span></center></td><td rowspan="2">cu.cm.</td></tr><tr><td style="text-align: center;">6</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><td rowspan="2"> <span style=" text-decoration: overline;">2</span>cu.cm.</td></tr><tr><td style="text-align: center;">12</td></tr></table>
Answer» E.
Discussion
88.

A rectangular water tank is 80 metre 40 metre. Water flows into it through a pipe of 40 sq.cm at the opening at a speed of 10 km/hr. The water level will rise in the tank in half an hour by

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">cm.</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>4</center></td><td rowspan="2">cm.</td></tr><tr><td style="text-align: center;">9</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">cm.</td></tr><tr><td style="text-align: center;">9</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">cm.</td></tr><tr><td style="text-align: center;">8</td></tr></table>
Answer» E.
Discussion
89.

The area of the curved surface and the area of the base of a right circular cylinder are a square cm and b square cm respectively. The height of the cylinder is

A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2a</center></td><td rowspan="2">cm</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;"> b</span></td></tr></table>
B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a <span style=" text-decoration: overline;">b</span></center></td><td rowspan="2">cm</td></tr><tr><td style="text-align: center;">2 <span style=" text-decoration: overline;"> </span></td></tr></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td><td rowspan="2">cm</td></tr><tr><td style="text-align: center;">2 <span style=" text-decoration: overline;"> b</span></td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a <span style=" text-decoration: overline;"> </span></center></td><td rowspan="2">cm</td></tr><tr><td style="text-align: center;">2 <span style=" text-decoration: overline;">b</span></td></tr></table>
Answer» D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a <span style=" text-decoration: overline;"> </span></center></td><td rowspan="2">cm</td></tr><tr><td style="text-align: center;">2 <span style=" text-decoration: overline;">b</span></td></tr></table>
Discussion
90.

The radii of the base of two cylinders are in the ratio 3 : 5 and their heights in the ratio 2 : 3. The ratio of their curved surface will be :

A. 2 : 5
B. 2 : 3
C. 3 : 5
D. 5 : 3
Answer» B. 2 : 3
Discussion
91.

If the height of a cone is increased by 100% then its volume is increased by :

A. 100%
B. 200%
C.
D. 300%
E. 400%
Answer» B. 200%
Discussion
92.

From a solid cylinder of height 10 cm and radius of the base 6 cm, a cone of same height and same base is removed. The volume of the remaining solid is :

A. 240 cu.cm
B. 5280 cu.cm
C. 620 cu.cm
D. 360 cu.cm
Answer» B. 5280 cu.cm
Discussion
93.

The lateral surface area of a cylinder is 1056 cm and its height is 16cm. Find its volume.

A. 4545 cm
B. 4455 cm
C. 5445 cm
D. 5544 cm
Answer» E.
Discussion
94.

The diameter of two cylinders, whose volumes are equal, are in the ratio 3 : 2. Their heights will be in the ratio .

A. 4 : 9
B. 5 : 6
C. 5 : 8
D. 8 : 9
Answer» B. 5 : 6
Discussion
95.

The perimeter of the base of a right circular cylinder is a unit. If the volume of the cylinder is V cubic unit, then the height of the cylinder is

A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4a V</center></td><td rowspan="2">unit</td></tr><tr><td style="text-align: center;"> </td></tr></table>
B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4 a </center></td><td rowspan="2">unit</td></tr><tr><td style="text-align: center;">V</td></tr></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> a V</center></td><td rowspan="2">unit</td></tr><tr><td style="text-align: center;">4</td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4 V</center></td><td rowspan="2">unit</td></tr><tr><td style="text-align: center;">a </td></tr></table>
Answer» E.
Discussion
96.

A cuboidal water tank has 216 litres of water. Its depth is 1/3 of its length and breadth is 1/2 of 1/3 of the difference of length and breadth. The length of the tankis

A. 72 dm
B. 18 dm
C. 6 dm
D. 2 dm
Answer» C. 6 dm
Discussion
97.

The radius of a cylinder is 10 cm and height is 4 cm. The number of centimetres that may be added either to the radius or to the height to get the same increase in the volume of the cylinder is

A. 5 cm
B. 4 cm
C. 25 cm
D. 16 cm
Answer» B. 4 cm
Discussion
98.

What is the volume of a cube (in cubic cm) whose diagonal measures 4

A. 16
B. 27
C. 64
D. 8
Answer» D. 8
Discussion
99.

The edges of a cuboid are in the ratio 1 : 2 : 3 and its surface area is 88cm . The volume of the cuboid is :

A. 120 cm
B. 64 cm
C. 48 cm
D. 24 cm
Answer» D. 24 cm
Discussion
100.

If the volume of two cubes are in the ratio 27 : 1, the ratio of their edge is :

A. 3 : 1
B. 27 : 1
C. 1 : 3
D. 1 : 27
Answer» B. 27 : 1
Discussion