A water pipe can fill a 250 litre tank
in 2 hours 30 minutes. In how much
time will it fill 9/10 of the tank ??
Answers
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1
Answer:
135 minutes
Step-by-step explanation:
that means to fill 1 litre it will take 150/250 minutes. 9/10 of the tank(250 litre) =9/10*250=225. =135 minutes (2 hours 15 minutes)
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