5 pumps are required to fill a tank 1 hour 30 minutes how many pumps of the same type are used to fill the tank in 30 minutes
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4
Answer:
15
Step-by-step explanation:
1hr 30 min= 5pumps
In 1hr 30 min there are 3 thirty min. So we have to multiply 5 by 3
ie,15pumps
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