Others Maths Puzzle

Q. If the tank is half full and set X and set y are closed, how many minutes will it take for set Z to empty the tank if alternate taps of set Z are closed.

Option
A)12 min
B)40 min
C)40 min
D)16 min

Read Solution (Total 1)

20 min

Alternate taps of Z open => 4 open and 4 closed

In 1 min, 1/40th tank is emptied by 4 pipes

Time taken to empty half tank = 40/2 = 20 min
10 years agoHelpfull: Yes(2) No(1)

Others Other Question

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 Q. If one pipe is added for set X and Y and set Z's capacity is increased by 20% on its original value and all the taps are opened at 2.58pm, then at what time does the tank get filled?(If it is initially empty)

Option
A)3.05 pm
b)3.04 pm
C)3.10 pm
D)3.03 pm