1)

The sides of a triangle are 24 cm, 26 cm and 10 cm. At each of its vertices, circles of radius 4.2 cm are drawn. What is the area (in sqcm ) of the triangle, excluding the portion covered by the section of the circles?

SSC CPO 2020

A)

120

B)

27.72

C)

92.28

D)

105.86

2)

ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and∠ADC = 148°. What is the measure of the∠BAC?

SSC CPO 2020

A)

45°

B)

60°

C)

58°

D)

32°

3)

ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 118°. What is the measure of ∠BAC?

SSC CPO 2020

A)

32°

B)

28°

C)

45°

D)

30°

4)

PQRS is a cyclic quadrilateral. If ∠P is 4 times ∠R, and ∠S is 3 times ∠Q, then the average of ∠Q and ∠R is:

SSC CPO 2020

A)

45.7°

B)

81°

C)

90°

D)

40.5°