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Maths Puzzle
one pipe fills d tank in 3hrs & another pipe empty d tank in hrs4.30.how much time required to fill d tank if both pipes working at a time
Read Solution (Total 3)
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- as one pipe can be filled in 3 hrs,1/3rd part of tank can be filled
the other pipe as it takes 41/2 hrs to empty,9/2rd part gets empty....when both work at a time, so 1/3-2/9=1/9
hence it takes 9 hrs to fill d tank.... - 13 years agoHelpfull: Yes(1) No(1)
- assume that water can be fill in tank is = 9 unit(LCM off 3 and 4.5)
water fills per hour is = 3 unit
water empty per hour is = 2 unit
resultant water per hour= 1 unit
to fill total 9 unit time= 9 hours - 13 years agoHelpfull: Yes(1) No(1)
- 9 hrs
if both work parellel then the tank fill in one hrs=1/9
so tank fill in 9 hrs - 13 years agoHelpfull: Yes(0) No(1)
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