mensuration

Mensuration Questions Set 6

Dear Sehpaathians
Here is a set of PDF on questions related to mensuration. Questions on mensuration are very commonly asked in exams of SSC etc.

Q1. A cube of side 8 metre is reduced 3 times in the ratio 2 : 1. The area of one face of the reduced cube to that of the original cube is in the ratio:
(a) 1 : 4
(b) 1 : 8
(c) 1 : 16
(d) 1 : 64

Q2. The base of a right prism is a triangle whose perimeter is 45 cm and the radius of incircle is 9 cm. If the volume of the prism is 810 cm3. Find its height:
(a) 5 cm
(b) 4 cm
(c) 6 cm
(d) 4.5 cm

Q3. If the volume of a sphere, a cube, a tetrahedron and a octahedron be same then which of the following has least surface ?
(a) sphere
(b) cube
(c) tetrahedron
(d) octahedron

Q4. Water flows at the rate of 5 m per min from a cylindrical pipe 8 mm in radius. How long will it take to fill up a conical vessel whose radius is 12 cm and depth 35 cm.
(a) 315 s
(b) 365 s
(c) 5 min
(d) None of these

Q5. A right circular cylindrical tunnel of diameter 4 m and length 10 m is to be constructed from a sheet of iron. The area (in m2) of the iron sheet required.
(a) 280/????
(b) 40????
(c) 80????
(d) None of these

ANSWERS:

1 – D

2 – B

3 – A

4 – A

5 – B

sehpaathi