A Village, having population of 4000, requires 150 liter of water per head per day .It has a tank measuring 20m×15m×6m.For how many days wil the water of this tank last
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Answer:
volume of tank :- 20m ×15m×6m
1800m^3
1m^3 = 1000L
so , 1800m^3= 1800×1000L
= 1800000L
water used in one day by villagers= 4000×150
=600000L
how many days water last= 1800000/600000
=3 days ANS
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Ans: 3 days
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