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Maths 2024 MCQs [All-Courses]

Prepare effectively with our Maths MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all other competitive exams.
Our questions cover Arithmetic, Algebra, Geometry, Ratios, Percentages, Equations, Word Problems, and basic to advanced quantitative skills.

A top can fill a cistern in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously the time (in hours) to fill the tank is

A 8

B 10

C 16

D 24

Review Detailed Answer

Correct Answer: 16

Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours. C is closed A and B can fill the remaining par in 7 hours. The number of hours taken by C alone to fill the tank is?

A 10

B 12

C 14

D 16

Review Detailed Answer

Correct Answer: 14

Two pipes A and B can fill a cistern in 37 1/2 minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the pipe B is turned off after?

A 5 min

B 9 min

C 10 min

D 15 min

Review Detailed Answer

Correct Answer: 9 min

Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is?

A 60 gallons

B 100 gallons

C 120 gallons

D 180 gallons

Review Detailed Answer

Correct Answer: 120 gallons

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

A 6 hrs

B 6 2/3 hrs

C 7 hrs

D 7 1/2 hrs

Review Detailed Answer

Correct Answer: 7 hrs

A large tanker can be filled by two pipes A and B in 60 and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?

A 15 min

B 20 min

C 27.5 min

D 30 min

Review Detailed Answer

Correct Answer: 30 min

Two pipes A and B can fill a tank in 15 min and 20 min respectively. Both the pipes are opened together but after 4 min, pipe A is turned off. What is the total time required to fill the tank?

A 10 min 20 sec

B 11 min 45 sec

C 12 min 30 sec

D 14 min 40 sec

Review Detailed Answer

Correct Answer: 14 min 40 sec

A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is?

A 6 hrs

B 10 hrs

C 15 hrs

D 30 hrs

Review Detailed Answer

Correct Answer: 15 hrs

A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?

A 20 hrs

B 25 hrs

C 35 hrs

D Cannot be determined

Review Detailed Answer

Correct Answer: 35 hrs

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill tank in 36 min, then the slower pipe alone will be able to fill the tank in?

A 81 min

B 108 min

C 144 min

D 192 min

Review Detailed Answer

Correct Answer: 144 min

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Maths 2024 MCQs [All-Courses]

All Topics 2024

All Topics 2024

A top can fill a cistern in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously the time (in hours) to fill the tank is

Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours. C is closed A and B can fill the remaining par in 7 hours. The number of hours taken by C alone to fill the tank is?

Two pipes A and B can fill a cistern in 37 1/2 minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the pipe B is turned off after?

Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is?

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

A large tanker can be filled by two pipes A and B in 60 and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?

Two pipes A and B can fill a tank in 15 min and 20 min respectively. Both the pipes are opened together but after 4 min, pipe A is turned off. What is the total time required to fill the tank?

A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill tank in 36 min, then the slower pipe alone will be able to fill the tank in?