Lake contains 1200 cubic metre of water, then the depth lake is :

If the length of a lake is 40 m and breadth is 10 m. Lake contains 1200 cubic metre of water, then the depth lake is

  1. 4 m
  2. 3.5 m
  3. 3 m
  4. 4.5  m
Anurag Mishra Professor Asked on 5th December 2015 in Maths.
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1 Answer(s)

Answer: (3) 3 m 

Explanation:-
Let the depth of the lake be X m
Given-
length = 40 m & breadth = 10 m

Formula –
The volume of the lake = l x b x h
Where, l = length of the lake, b = breadth of the lake & h = height of the lake

Then, 40 x 10 x h = 1200
h = 1200/400
h = 3 m

Then, the depth of the lake is 3 m.

Hence, the answer is (3) 3 m. 

 

Anurag Mishra Professor Answered on 5th December 2015.
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