Question

A rectangular tank shown is field with answre to 1 by 5 of its height .Water from a tap flows into the tank at 1.8 litres a minute .How much litre is in the tank after 6 minutes .Give your answer to litres

Answer 1

Part of the tank emptied by the leak in 1 hr = 1818

Let part of the tank filled by the tap in 1 hr = xx

Part of the tank emptied by the leak and tap together = 112112

18−x=1123−24x=224x=1x=12418−x=1123−24x=224x=1x=124

Part of the tank filled by the tap in 1 hr = 124124
=> Pipe can be filled  by the tap in 24 hours

Capacity of the tank = 24 × 6 = 144 litre

 

Answer 2

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