Q6 of 32 Page 242

5 pumps are required to fill a tank in 1hours. How many pumps of the same type are used to fill the tank in half an hour.

Given: Number of pumps required to fill a tank in 1.5 hours = 5

To find: Number of pumps require to fill the tank in 0.5 hours


Formula:


Substituting x1 = 1.5, y1 = 5 x2 = 0.5 in the formula,



Gives y2 = 15 pumps


∴ 15 pumps are required to fill the tank in 0.5 hours.


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