Top 10 Questions (Mensuration) for SSC CGL and CHSL

Top 10 Questions Arithmetic Ability for SSC CGL and CHSL

Top 10 Questions (Mensuration) for SSC CGL and CHSL

Answers are in bold

1)

The difference in areas of a circumcircle and an incircle of an equilateral triangle is 44 cm2, then the area of the triangle will be : (Take π=22/7)

A) 28
B) 7√3
C) 14√3
D) 21

2)

When a wire is given to a shape of square, then its area is 121 cm2 . When the same wire is given to the shape of a circle then the area of the circle will be : (Take π=22/7)

A) 144
B) 180
C) 154
D) 176

3)

If area of an incircle of a square is 9π cm2, then what will be the area of the square ?

A) 24
B) 30
C) 36
D) 81

4)

If total surface area of a solid hemisphere is 108π cm2. What will be the volume of the hemisphere?

A) 72π
B) 144 π
C) 108√6
D) 54√6

5)

ABC is an equilateral triangle having 2 cm sides. Taking A, B and C as centers three arcs are drawn with 1 cm radius. The area of the inner side of the triangle bounded by three arcs will be :

A)
B)
C)
D)

6)

If S is the curved surface area of the right circular cylinder whose h and α are the height semi-vertex angle, S is equal to :

A)
B)
C)
D)

7)

The ratio of volumes of a cube and its inner sphere will be :

A) 6:π
B) 4:π
C) 5:3π
D) 4:3

8)

64 equal small solid spheres are made by melting a solid sphere of radius 8 cm. The ratio of surface areas of this sphere to a small sphere will be :

A) 4:1
B) 1:16
C) 16:1
D) 1:4

9)

The volume of metal of a cylindrical pipe is 748 cm3 . The length and outer radius of the pipe are 14 cm and 9 cm respectively. What will be its width? (Take π=22/7)

A) 1 cm
B) 5.2 cm
C) 2.3 cm
D) 3.7 cm

10)

Two iron spheres of 6 cm diameters are dropped in a cylindrical pot of radius 6 cm having water. By what level will water be raised in the pot?

A) 1 cm
B) 2 cm
C) 3 cm
D) 6 cm