There pipes can independently fill a wate… | Answer

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Bank Exam

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Agrani Bank 2010 Senior Officer

There pipes can independently fill a water tank in 10,12 and 15 hour.How many hours will it take for all three pipes opend together to fill half of the tank ?
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Explanation

In 1 hour 3 pipes can fill = 1/10+1/12+1/15 = (6+5+4)/60 = 15/60 =1/4 part So, 1/4 part fill in = 1 hour 1 part " " = 4 " So, 1/2 part " " = 4/2 or, 2 hours (Ans.)

choose the correct sentence :There is a 2 meter wide road surrounding a pond which is 60 meters long and 40 meters wide.the area covered by the road is :If x+y = 9 and x-y = 5 the value of 4xy is:Tk. 51 is distributed between Sumi and Meem in such a way that Sumi receives Tk. 3 less than twice the amount received by Meem. The amount (in Tk.) received by Sumi is:কোনটি সঠিক বানান ?Synonym: perplexed Synonym: Postulate If 30% of A= 25 of B=1/5thof C, The ratio of A, B and C is-

There pipes can independently fill a water tank in 10,12 and 15 hour.How many hours will it take for all three pipes opend together to fill half of the tank ?Reading

There pipes can independently fill a water tank in 10,12 and 15 hour.How many hours will it take for all three pipes opend together to fill half of the tank ?

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There pipes can independently fill a water tank in 10,12 and 15 hour.How many hours will it take for all three pipes opend together to fill half of the tank ?
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