Volumes Practice Test 1

Question : 40 of 40

Marks: +1, -0

50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is 4

m^3

, then rise in the water level in the tank will be:

Solution:

Here 40 × 20 × h = 50 × 4
∴ h =

{50×4}/{40×20}

1/4

m
=

1/4 × 100

= 25 cm

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