Others Maths Puzzle

Q. IF only half of set X are closed and only half the pipes of set Y are open and all other pipes are open , how long will it take to fill 49% of the tank?

Option
A)16 min
B)13 min
C)7 min
D)noe of these

Read Solution (Total 1)

half of X open , half of Y open and all pipes of Z open
=> In 1 min , (1/20) + (1/16) - (1/20) = (1/16)th tank is filled

49% => 49/100

Time taken to fill 49% = 16*49/100 = 7.84 min
11 years agoHelpfull: Yes(2) No(0)

Others Other Question

Q. A set of 10 pipes (set X) can fill 70% of the tank in 7 minutes. Another set of 5 pipes(set Y) fills 3/8 of the tank in 3 minutes. A third set of 8 pipes(set Z) can empty 5/10 of the tank in 10 minutes Ques How many minutes will it take to fill the tank if all the 23 pipes are opened at the same time

Option
A)5 min
B)40/7 min
C)6 min
D)None of these
Q. IF only half the pipes of set X are closed and only half the pipes of set Y are open and all other pipes are open, how long will it take to fill 49% of the tank

Option
A)5 min
B)6 min
C)7 min
D)7.5