top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

A tap can fill a tank in 30 minutes, another tap can fill it in 1.5 hours..........At what time will the tank be filled?

0 votes
253 views

A tap can fill a tank in 30 minutes, another tap can fill it in 1.5 hours.
If both the taps are opened at 11.40 am.
At what time will the tank be filled?

posted Jun 18, 2019 by Basabdatta Mukherjee

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

First tap can fill 1/30 of tank in 1 min
Second tap can fill 1/90 of tank in 1 min
Both taps can fill 1/30+1/90=2/45 of the tank or it will take 1/2/45=24.5 min to fill the tank
Tank will be full at 11:40 am+00:24.5=12:04.5 PM

answer Jun 18, 2019 by Hanifa Mammadov



Similar Puzzles
+2 votes
A tank can be filled by the Tap A in 4 Hrs....all three taps on then how much time it will take to fill?

A tank can be filled by the Tap A in 4 Hrs and by Tap B in 6 Hrs. The same tank can be emptied by the Tap C in 8 Hrs. Now suppose we keep all three taps on then how much time it will take to fill?

0 votes
A tap can fill a tank in 12 hours,but due to a leakage it took 18 hours to fill the tank. If the tank is full...........

A tap can fill a tank in 12 hours,but due to a leakage it took 18 hours to fill the tank.
If the tank is full, in what time will the tank become empty due to leakage?

0 votes
A pipe can fill a tank in 8 hours. After 3/5 of the tank is filled, four more pipes of half capacity is opened.........

A pipe can fill a tank in 8 hours.
A fter 3/5 of the tank is filled, four more pipes of half capacity is opened to fill the tank.
What is the total time taken to completely fill the tank?

0 votes
With uniform flow taps A and B can fill tank in 4 and 3 hours respectively. Tap C can empty the completely..............

With uniform flow taps A and B can fill tank in 4 and 3 hours respectively.
Tap C can empty the completely the filled tank in one and half hour.
Tap A is opened at 9:30 am, tap B is opened at 10:15 am and tap C is opened at 11 am.
At what exact time will the tank be empty?

0 votes
In how much time tap B alone can fill the tank ?

Three tank A , B and C are connected to a tank either to fill or empty the tank . All three together can fill the tank in 8 minutes whereas only A and B can fill it in 12 minutes . In a particular day all the three taps are used to fill the tank , they all are opened for 4 minutes , then A is closed , remaining 2 works for next 2 minutes then B is closed . Finally C fill the tank in 1 minute .
In how much time tap B alone can fill the tank ?

...