11)

Chords AB and CD of a circle intersect externally at P. If CD = 11.6 cm, PD = 6.4 cm and PB = 7.2 cm, then AB (in cm) is equal to:

SSC CHSL 2021

A)

8.8

B)

16

C)

12

D)

4.8

12)

In a circle with centre O, chord AB and diameter CD intersect each other at point E, inside the circle. If ∠AOD = 42° and ∠BOC = 104°, then what is the measure (in degrees) of ∠AED? 

SSC CHSL 2021

A)

58

B)

73

C)

84

D)

62

13)

The in-radius and circumradius of a right-angled triangle is 3 cm and 12.5 cm, respectively. The area of the triangle is:

SSC CHSL 2021

A)

84 cm²

B)

88 cm²

C)

48 cm²

D)

64 cm²

14)

The sum of the square of the sides of a rhombus is 1600 cm². What is the side of the rhombus?

SSC CHSL 2021

A)

25 cm

B)

10 cm

C)

15 cm

D)

20 cm

15)

In a trapezium ABCD, DC || AB, AB = 16 cm and DC = 11.2 cm. What is the length (in cm) of the line segment joining the mid points of its diagonals?

SSC CHSL 2021

A)

1.8

B)

1.2

C)

2.4

D)

2.8