Answers

2016-03-27T17:51:36+05:30
Measure of the tank = 20 * 15* 6
                                  = 1800 m
so the tank can hold = 1800 l of water
amount of water required in 1 day = 120 l
1800\120 = 15
so the water in the tank will last for 15 days
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please see the question properly 120 litre of water per head per day
k one min
ok
answer is wrong