Explore topic-wise MCQs in GEOMETRY.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your GEOMETRY knowledge and support exam preparation. Choose a topic below to get started.

1.

The difference between the exterior and interior angles at a vertex of a regular polygon is 150°. The number of sides of the polygon is

A. 10
B. 15
C. 24
D. 30
Answer» D. 30
2.

ABCD is a cyclic quadrilateral and AB is a diameter. If ∠BAC = 55° then value of ∠ADC is

A. 55°
B. 35°
C. 145°
D. 125°
Answer» D. 125°
3.

If ABCD be a cyclic quadrilateral in which ∠A = 4x°, ∠B = 7x°, ∠C = 5y°, ∠D = y°, then x : y is

A. 3 : 4
B. 4 : 3
C. 5 : 4
D. 4 : 5
Answer» C. 5 : 4
4.

In a cyclic quadrilateral ∠A + ∠C = ∠B + ∠D = ?

A. 270°
B. 360°
C. 90°
D. 180°
Answer» E.
5.

ABCD is a cyclic quadrilateral and O is the centre of the circle. If ∠COD = 140° and ∠BAC = 40°, then the value of ∠BCD is equal to

A. 70°
B. 90°
C. 60°
D. 80°
Answer» B. 90°
6.

If an exterior angle of a cyclic quadrilateral be 50°, then the interior opposite angles is :

A. 130°
B. 40°
C. 50°
D. 90°
Answer» D. 90°
7.

The ratio of the angles of a quadrilateral is 5 : 4 : 3 : 8. The smallest angle of a triangle is one-fourth the largest angle of the quadrilateral and the largest angle of the triangle 38° more than the second largest angle of the triangle. What is the second largest angle of the triangle?

A. 35°
B. 53°
C. 43°
D. 34°
Answer» C. 43°
8.

ABCD is a cyclic trapezium such that AD || BC, if ∠ABC = 70°, then the value of ∠BCD is :

A. 60°
B. 70°
C. 40°
D. 80°
Answer» C. 40°
9.

Let ABCD be a parallelogram. Let P, Q, R and S be the mid-points of sides AB, BC, CD and DA respectively. Consider the following statements. I. Area of triangle APS < Area of triangle DSR, if BD < AC. II. Area of triangle ABC = 4 (Area of triangle BPQ). Select the correct answer using the codes given below.

A. Only I
B. Only II
C. Both I and II
D. Neither I nor II
Answer» C. Both I and II
10.

The area of a rectangle lies between 40 cm2and 45 cm2. If one of the sides is 5 cm, then its diagonal lies between

A. 8 cm and 10 cm
B. 9 cm and 11 cm
C. 10 cm and 12 cm
D. 11 cm and 13 cm
Answer» C. 10 cm and 12 cm
11.

In a trapezium, the two non-parallel sides are equal in length, each being of 5 cm. The parallel sides are at a distance of 3 cm apart. If the smaller side of the parallel sides is of length 2 cm, then the sum of the diagonals of the trapezium is

A. 10√5 cm
B. 6√5 cm
C. 3√5 cm
D. 5√5 cm
Answer» C. 3√5 cm
12.

If PQRS be a rectangle such PQ =3QR. Then, what is ∠PRS equal to?

A. 60°
B. 45°
C. 30°
D. 15°
Answer» D. 15°
13.

Two light rods AB = a + b, CD = a – b symmetrically lying on a horizontal AB. There are kept intact by two strings AC and BD. The perpendicular distance between rods in a. The length of AC is given by

A. a
B. b
C. √(a2 + b2)
D. √(a2 – b2)
Answer» E.
14.

If each interior angle of a regular polygon is 150°, the number of sides of the polygon is

A. 8
B. 10
C. 15
D. None of these
Answer» E.
15.

There are two regular polygons with number of sides equal to (n – 1) and (n + 2). Their exterior angles differ by 6°. The value of n is

A. 14
B. 12
C. 13
D. 11
Answer» D. 11