Mental Ability MCQs

Mensuration / Volume Questions with solutions MCQs

1. A wall having dimensions 6 m long, 5 m high and 0.5 m thick is constructed by using bricks having measurements 25 cm x 12.5 cm x 7.5 cm. If 10% of the wall is filled with mortar, the number of bricks required to construct the wall is:

A

6250

B

6160

C

5760

D

5920

Mensuration / Volume Veterinary Pharmacist 2024
Correct Answer : C
Explanation :

Wall volume = 6*5*0.5 = 15 m^3 = 15,000,000 cm^3. Effective brick volume = 90% of wall = 13,500,000 cm^3. Brick vol = 25*12.5*7.5 = 2343.75 cm^3. Number = 13,500,000/2343.75 = 5760.

Correct Answered :

Wrong Answered :

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