Question

1) 39 pumps can fill a reservoir in 98min How many pumps will be needed to fill it in 182 minutes

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Answer 1

Answer:

TIME TAKEN BY 39 PUMPS TO FILL RESERVOIR =98MIN

LET ,THE NUMBER OF PUMPS NEEDED TO FILL THE RESERVOIR IN 182 MIN = x

THIS QUESTION CAN BE SOLVED BY THE FORMULA OF INVERSE VARIATION.

=39×98=182×X

X= 39×98÷182

X= 21 pumps = ans

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