1.

A village havinga population of 4000requires 150liters of water per head per day. It has a tank measuring 20m×15m×6m. The water of this tank will last for how many days

Answer»

Population of village = 4000

water PER head = 150 L

Total water for

one day = 4000 × 150

= 600000L

Quantity of tank = 20 ×15×6

= 1800m³

= 1800000L

DAYS last = 1800000÷600000

= 3 days



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