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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.

Two pipes P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill?

A 9 1/4 min

B 11 1/4 min

C 7 1/4 min

D 8 1/2 min

Review Detailed Answer

Correct Answer: 11 1/4 min

Two pipes A and B can separately fill a tank in 2 minutes and 15 minutes respectively. Both the pipes are opened together but 4 minutes after the start the pipe A is turned off. How much time will it take to fill the tank?

A 9 min

B 10 min

C 11 min

D 12 min

Review Detailed Answer

Correct Answer: 10 min

Two pipes A and B can fill a cistern in 20 and 30 minutes respectively, and a third pipe C can empty it in 40 minutes. How long will it take to fill the cistern if all the three are opened at the same time?

A 19 1/7 min

B 15 1/7 min

C 17 1/7 min

D 7 1/7 min

Review Detailed Answer

Correct Answer: 17 1/7 min

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 in_________?

A 6 hours

B 6 2/3 hours

C 7 hours

D 7 1/2 hours

Review Detailed Answer

Correct Answer: 7 hours

A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?

A 4.5 hrs

B 5 hrs

C 6.5 hrs

D 7.2 hrs

Review Detailed Answer

Correct Answer: 7.2 hrs

A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

A 3 hrs 15 min

B 3 hrs 45 min

C 4 hrs

D 4 hrs 15 min

Review Detailed Answer

Correct Answer: 3 hrs 45 min

A large tanker can be filled by two pipes A and B in 60 minutes 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

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, 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.

A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full the leak will empty it in.

A 16 hrs

B 20 hrs

C 25 hrs

D 40 hrs

Review Detailed Answer

Correct Answer: 40 hrs

One top can fill a cistern in 2 hours and another can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened?

A 5 Hours

B 6 Hours

C 7 Hours

D 8 Hours

Review Detailed Answer

Correct Answer: 6 Hours

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Maths 2024 MCQs [All-Courses]

All Topics 2024

All Topics 2024

Two pipes P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill?

Two pipes A and B can separately fill a tank in 2 minutes and 15 minutes respectively. Both the pipes are opened together but 4 minutes after the start the pipe A is turned off. How much time will it take to fill the tank?

Two pipes A and B can fill a cistern in 20 and 30 minutes respectively, and a third pipe C can empty it in 40 minutes. How long will it take to fill the cistern if all the three are opened at the same time?

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 in_________?

A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?

A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

A large tanker can be filled by two pipes A and B in 60 minutes 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?

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

A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full the leak will empty it in.

One top can fill a cistern in 2 hours and another can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened?