Math, asked by shuklamayank62, 9 months ago

a swimming pool can be filled by first tap in 20 hour by second tap in 15 hour and by third tap in 18 hour .how long will they take to fill the swimming pool together ?

Answers

Answered by RvChaudharY50

17

Answer:

LCM of 20,15,18 = 180

efficiency = 9, 12, 10

all fill the tank in = (180/31) hours

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