SSC CHSL MATHS QUIZ

A tank can be filled by pipe $A$ in 2 hours and pipe $\mathrm{B}$ in 6 hours. At 10 a.m pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 a.m?

Two pipes $A$ and $B$ can fill a cistern in 3 hours and 5 hours respectively. Pipe $C$ can empty in 2 hours. If all the three pipes are open, in how many hours the cistern will be full?

Pipe A alone can fill a tank in 8 hours. Pipe B alone can fill it in 6 hours. If both the pipes are opened and after 2 hours Pipe A is closed, then the other pipe will fill the tank in ?

Two pipes A and B can fill a tank in 12 h and 16 h respectively. Starting from the first pipe A, they are opened alternately for 1 h. In how many hours will 75% of the tank be filled?

Aman, Shubham and vikash can fill a tank in 20 days, 30 days and 15 days respectvely. In how many days Shubham and vikash together can fill the whole tank?

 $\frac{3}{7}$ th part of a tank is filled in 15 minutes, then find in how many minutes the remaining part will be filled.

Three taps A ,B and C can fill a tank in 12 , 15 and 20 hours respectively. If A is open for all the time and B and C are open for one hour each alternatively, the tank will be full in 

A glass containing water has two holes. The 1st hole alone empties the glass in 9 minutes and 2nd hole alone empties the glass in 3 minutes. If water leaks out a constant rate, how many minutes will it take if both the holes together empty the glass?

A tank of water is filled through three pipes $X, Y$ and $Z$ in $5 \mathrm{~h}$. Pipe $Z$ is three times faster than pipe $Y$ and pipe $Y$ is twice as fast as pipe $X$. In how much time will pipe $X$ alone fill the water tank?

Pipes A and B can empty a full tank in 16 hours and 24 hours, respectively. Pipe C alone can fill the empty tank in 4 hours. If A, B and C are opened together, the tank will be 35% full after: