Explore topic-wise MCQs in Aptitude.

This section includes 564 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

151.

If FGH is isosceles and FG < 3 cm, GH = 8 cm, then of the following, the true relation is.

A. GH = FH
B. GF = GH
C. FH > GH
D. GH < GF
Answer» B. GF = GH
152.

In an isosceles triangle ABC, AB = AC and A = 80 . The bisector of B and C meet at D. The BDC is equal to

A. 90
B. 100
C. 130
D. 80
Answer» D. 80
153.

The ratio of the angles of a triangle is 1 :
2
: 3 .Then the smallest angle is :
3

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B. 25
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E.
Answer» D. <table><tr><td rowspan="2"> 38 </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4 </center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
154.

In an isosceles ABC, AD is the median to the unequal side meeting BC at D. DP is the angle bisector of ADB and PQ is drawn parallel to BC meeting AC at Q. Then the measure of PDQ is :

A. 130
B. 90
C. 180
D. 45
Answer» C. 180
155.

ABC is an isosceles triangle with AB = AC = 15 cm and altitude from A to BC is 12 cm. The length of side BC is :

A. 9 cm.
B. 12 cm.
C. 18 cm.
D. 20 cm.
Answer» D. 20 cm.
156.

In an isosceles triangle ABC, AB = AC, XY ||BC. If A = 30 , then BXY = ?

A. 75
B. 30
C. 150
D. 105
Answer» E.
157.

If the circumcentre of a triangle lies outside it, then the triangleis

A. Equilateral
B. Acute angled
C. Right angled
D. Obtuse angled
Answer» E.
158.

In ABC, AD is the internal bisector of A, meeting the side BC at D. If BD = 5 cm, BC = 7.5 cm, then AB : AC is

A. 2 : 1
B. 1 : 2
C. 4 : 5
D. 3 : 5
Answer» B. 1 : 2
159.

O and C are respectively the orthocentre and circumcentre of an acute-angled triangle PQR. The points P and O are joined and produced to meet the side QR at S. If PQS = 60 and QCR = 130 , then RPS=

A. 30
B. 35
C. 100
D. 60
Answer» C. 100
160.

G is the centroid of ABC. The medians AD and BE intersect at right angles. If the lengths of AD and BE are 9 cm and 12 cm respectively; then the length of AB (in cm) is

A. 9.5
B. 10
C. 11
D. 10.5
Answer» C. 11
161.

If the three medians of a triangle are same then the triangle is

A. equilateral
B. isosceles
C. right-angled
D. obtuse-angle
Answer» B. isosceles
162.

The sides of a triangle are in the ratio 3 : 4 : 6. The triangle is :

A. acute-angled
B. right-angled
C. obtuse-angled
D. either acute-angled or rightangled
Answer» D. either acute-angled or rightangled
163.

I is the incentre of ABC, ABC = 60 and ACB = 50 . Then BIC is :

A. 55
B. 125
C. 70
D. 65
Answer» C. 70
164.

In a triangle ABC, the side BC is extended up to D. Such that CD = AC, if BAD = 109 and ACB = 72 then the value of ABC is

A. 35
B. 60
C. 40
D. 45
Answer» B. 60
165.

ABC is a triangle. The bisectors of the internal angle B and external angle C intersect at D. If BDC= 50 , then A is

A. 100
B. 90
C. 120
D. 60
Answer» B. 90
166.

If two angles of a triangle are 21 and 38 , then the triangle is

A. Right-angled triangle
B. Acute-angled triangle
C. Obtuse-angled triangle
D. Isosceles triangle
Answer» D. Isosceles triangle
167.

I is the incentre of a triangle ABC. If ABC = 65 and ACB = 55 , then the value of BIC is

A. 130
B. 120
C. 140
D. 110
Answer» C. 140
168.

If in ABC, ABC = 5 ACB and BAC = 3 ACB, then ABC = ?

A. 130
B. 80
C. 100
D. 120
Answer» D. 120
169.

The perpendiculars drawn from the vertices to the opposite sides of a triangle, meet at the point whose name is

A. incentre
B. circumcentre
C. centroid
D. orthocentre
Answer» E.
170.

A man goes 24 m due west and then 10 m due north. Then the distance of him from the starting point is

A. 17 m
B. 26 m
C. 28 m
D. 34 m
Answer» C. 28 m
171.

In ABC, C is an obtuse angle. The bisectors of the exterior angles at A and B meet BC and AC produced at D and E respectively. If AB = AD = BE, then ACB =

A. 105
B. 108
C. 110
D. 135
Answer» C. 110
172.

In &8710; ABC BAC = 90 and AD BC. If BD = 3 cm and CD = 4 cm, then the length of AD is

A. 3.5 cm
B. 5 cm
C. 23 cm
D. 6 cm
Answer» D. 6 cm
173.

If ABC is an equilateral triangle and D is a point on BC such that AD BC, then

A. AB : BD = 1 : 1
B. AB : BD = 1 : 2
C. AB : BD = 2 : 1
D. AB : BD = 3 : 2
Answer» D. AB : BD = 3 : 2
174.

If in a triangle, the circumcentre, incentre, centroid and orthocentre coincide, then the triangle is

A. Acute angled
B. Isosceles
C. Right angled
D. Equilateral
Answer» E.
175.

In a triangle, the distance of the centroid from the three vertices is 4 cm, 6 cm and 8 cm respectively. Then the length of the smallest median is :

A. 8
B. 7
C. 6
D. 5
Answer» D. 5
176.

The internal bisectors of the B and C of the ABC, intersect at O. If A = 100 , then the measure of BOC is :

A. 140
B. 120
C. 110
D. 130
Answer» B. 120
177.

X and Y are the mid-points of sides AB and AC of a triangle ABC. If (BC + XY) = 12 units, then (BC XY) is

A. 8 units
B. 4 units
C. 6 units
D. 2 units
Answer» C. 6 units
178.

If in ABC, B = 5 C and A = 3 C, then the measure of C is

A. 45
B. 30
C. 20
D. 5
Answer» D. 5
179.

If the orthocentre and the centroid of a triangle are the same, then the triangle is :

A. Scalene
B. Right angled
C. Equilateral
D. Obtuse angled
Answer» D. Obtuse angled
180.

Possible lengths of the three sides of a triangle are :

A. 2 cm, 3 cm and 6 cm
B.
C. 3 cm, 4 cm and 5 cm
D. 2.5 cm, 3.5 cm and 6 cm
E. 4 cm, 4 cm and 9 cm
Answer» C. 3 cm, 4 cm and 5 cm
181.

In a triangle ABC, OB and OC are the bisectors of angles B and C respectively. BAC = 60 . The angle BOC will be :

A. 150
B. 120
C. 100
D. 90
Answer» C. 100
182.

The point where the all three medians of a triangle meet is called

A. Centroid
B. Incentre
C. Circumcentre
D. Orthocentre
Answer» B. Incentre
183.

G and AD are respectively the centroid and median of the triangle ABC.The ratio AG : AD is equal to

A. 3:2
B. 2:3
C. 2:1
D. 1:2
Answer» C. 2:1
184.

In ABC, B = 35 , C = 65 and the bisector of BAC meets BC in D. Then ADB is :

A. 40
B. 75
C. 90
D. 105
Answer» E.
185.

The orthocentre of a triangle lies on one of the sides. Then

A. The orthocentre lies on a vertex
B. circumcentre lies outside the triangle
C. circumcentre lies on the same side
D. centroid coincides with orthocentre
Answer» B. circumcentre lies outside the triangle
186.

In the adjoining figure, AB || CD,

A. 90
B. 75
C. 80
D. 110
E. None of these
Answer» B. 75
187.

The complement of an angle exceeds the angle by 60 . Then the angle is equal to:

A. 25
B. 30
C. 15
D. 35
E. None of these
Answer» D. 35
188.

In the given figure, AB || CD and AC || BD. If EAC = 40 , FDG = 55 , HAB = x; then the value of x is:

A. 95
B. 70
C. 35
D. 85
E. None of these
Answer» E. None of these
189.

In the given figure, OP bisect BOC and OQ bisects AOC. Then POQ is equal to :

A. 90
B. 120
C. 60
D. 100
E. None of these
Answer» B. 120
190.

In the given figure BAD = CAD. AB = 4 cm, AC = 5.2 cm, BD = 3 cm. Find BC.

A. 6.9 cm
B. 9.6 cm
C. 3.9 cm
D. 9.3 cm
E. None of these
Answer» B. 9.6 cm
191.

A ladder 15 m long reaches a window which is 9 m above the ground on one side of street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window 12 m high. What is the width of the street:

A. 31 m
B. 12 m
C. 30 m
D. 21 m
E. None of these
Answer» E. None of these
192.

In the adjoining figure A + B + C + D + E + F = ?

A. 270
B. 300
C. 360
D. 330
E. None of these
Answer» D. 330
193.

Find the measure of an angle, if six times its complement is 12 less than twice its supplement :

A. 48
B. 96
C. 24
D. 58
E. None of these
Answer» B. 96
194.

In fig., AB || CD, a is equal to:

A. 93
B. 103
C. 83
D. 97
E. None of these
Answer» B. 103
195.

In a ABC, if 2 A = 3 B = 6 C, Then A is equal to:

A. 60
B. 30
C. 90
D. 120
E. None of these
Answer» D. 120
196.

A, B, C are the three angles of a . If A B = 15 and B C = 30 . Then A is equal to :

A. 65
B. 80
C. 75
D. 85
E. None of these
Answer» C. 75
197.

If the bisector of an angle of bisects the opposite side, then the is :

A. Scalene
B. Isosceles
C. Right triangle
D. circle
E. None of these
Answer» C. Right triangle
198.

The areas of two similar s are 81 cm

A. 24 cm
B. 48 cm
C. 36 cm
D. 88 cm
E. None of these
Answer» D. 88 cm
199.

The sides AB and AC of ABC have been produced to D and E respectively. The bisectors of CBD and BCE meet at O. If A = 40 , then BOC is equal to:

A. 60
B. 65
C. 75
D. 70
E. None of these
Answer» E. None of these
200.

In the given figure, DE || BC if AD = 1.7 cm, AB = 6.8 cm and AC = 9 cm, find AE.

A. 2.25cm
B. 4.5cm
C. 1.25cm
D. 2.5cm
E. None of these
Answer» B. 4.5cm