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.

551.

In ABC, B = 60 , C = 40 , AD is the bisector of A and AE is drawn perpendicular on BC from A. Then the measure of EAD is

A. 40
B. 30
C. 10
D. 80
Answer» D. 80
552.

If the sides of a triangle are extended in both the sides then the sum of the exterior angles so formed in both sides is

A. 360
B. 540
C. 720
D. 180
Answer» D. 180
553.

In a triangle, if orthocentre, circumcentre, incentre and centroid coincide, then the triangle must be

A. obtuse angled
B. isosceles
C. equilateral
D. right-angled
Answer» D. right-angled
554.

ABC is an equilateral triangle. Points D, E, F are taken in sides AB, BC, CA respectively, so that AD = CF. Then AE, BF, CD enclosed a triangle which is :

A. equilateral triangle
B. isosceles triangle
C. right angle triangle
D. None of these
Answer» B. isosceles triangle
555.

ABC is an equilateral triangle and CD is the internal bisector of C. If DC is produced to E such that AC = CE, then CAE is equal to

A. 45
B. 75
C. 30
D. 15
Answer» E.
556.

The side QR of an equilateral triangle PQR is produced to the point S in such a way that QR = RS and P is joined to S. Then the measure of PSR is

A. 30
B. 15
C. 60
D. 45
Answer» B. 15
557.

If the sum of the interior angles of a regular polygon be 1080 , the number of sides of the polygon is

A. 6
B. 8
C. 10
D. 12
Answer» C. 10
558.

AB = 8 cm and CD = 6 cm are two parallel chords on the same side of the centre of a circle. The distance between them is 1 cm. The radius of the circle is

A. 5 cm
B. 4 cm
C. 3 cm
D. 2 cm
Answer» B. 4 cm
559.

The radius of two concentric circles are 9 cm and 15 cm. If the chord of the greater circle be a tangent to the smaller circle, then the length of that chord is

A. 24 cm
B. 12 cm
C. 30 cm
D. 18 cm
Answer» B. 12 cm
560.

The orthocentre of an obtuse angled triangle lies

A. inside the triangle
B. outside the triangle
C. on one side of a triangle
D. None of these
Answer» C. on one side of a triangle
561.

The complement of 30 20 is:

A. 69 40
B. 59 40
C. 35 80
D. 159 40
E. None of these
Answer» C. 35 80
562.

In the given, AB || CD. Then X is equal to:

A. 93
B. 103
C. 83
D. 97
E. None of these
Answer» F.
563.

An angle is equal to one-third of its supplement. Its measure is equal to :

A. 40
B. 50
C. 45
D. 55
E. None of these
Answer» D. 55
564.

Two angles are supplementary and the ratio of the angels is 1:4. what is the value of smaller angle?

A. 36 degree
B. 45 degree
C. 35 degree
D. 72 degree
Answer» B. 45 degree