EASY
SSC CGL Tier 1
IMPORTANT
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One pipe fills a water tank three times faster than another pipe. If the two pipes together can fill the empty tank in 36 minutes, then how much time will the slower pipe alone take to fill the tank?

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Important Questions on Arithmetic

EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 13>Q 5
Three pipes can fill a cistern in 15 minutes, 30 minutes and 45 minutes respectively. These pipes are opened alternately for 1 minute each, beginning with the first pipe. In what time will the cistern be full?
MEDIUM
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 13>Q 6
Pipe A can fill an empty tank in 20hours, while Pipe B can empty the same filled cistern in 30hours. If A and B are opened in alternate hours starting with A, then in how many hours was the cistern filled?
MEDIUM
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 13>Q 7
Two taps X and Y can fill a tank in 12 minutes and 15 minutes, respectively. If both the taps are opened simultaneously, and tap X is closed after 3 minutes, then how much more time will it take to fill the tank with the help of tap Y?
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 13>Q 8
Two pipes fill the tank in 12 minute and 14 minute respectively. Another pipe empties the same tank in 7 minute. Find in how much part of the tank will fill when all three is opened for 7 minute? 
HARD
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 13>Q 9
The time is taken by pipe A to fill the tank is 20 hours, the time is taken by pipe B to fill the tank is double the time taken by tank A and the time is taken by pipe C is double the time taken pipe B to fill the tank. If pipe A is opened at 8:00 A.M., pipe B is opened at 9:00 A.M. and pipe C is opened at 10 A.M. Find the time at which the tank is completely filled. 
HARD
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 13>Q 10
Pipe A can fill the tank in 120 min, pipe B can fill the tank in 60 min while pipe C is the emptying pipe, If all three pipes are opened together then it can fill the tank in 80 min.Find the time taken by pipe C to empty 75% of the tank.
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 13>Q 11
Two taps A and B fill a tank in 15 and 20 hours respectively, while a third tap C empties the filled tank in 25 hours. Initially, all three taps are opened and C has closed after 10 hours. In what time will the tank be filled?
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 13>Q 12
A tank is filled in 4 hours by three pipes A, B and C. The pipe C is 112 times as fast as B and B is 3 times as fast as A. How many hours will pipe A alone take to fill the tank?