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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 pipe can fill a cistern in 20 minutes whereas the cistern when fill can be emptied by a leak in 28 minutes. When both pipes are opened, find when the cistern will be full?

A 60 min

B 80 min

C 70 min

D 48 min

Review Detailed Answer

Correct Answer: 70 min

A cistern which could be filled in 9 hours takes one hour more to be filled owing to a leak in its bottom. If the cistern is full in what time will the leak empty it?

A 45 hrs

B 60 hrs

C 75 hrs

D 90 hrs

Review Detailed Answer

Correct Answer: 90 hrs

pipes P and Q would fill a cistern 18 and 24 minutes respectively. Both pipes being opened, find when the first pipe must be turned off so that the cistern may be just filled in 12 minutes?

A after 12 mins

B after 9 mins

C after 8 1/2 mins

D after 10 mins

Review Detailed Answer

Correct Answer: after 9 mins

Two pipes function simultaneously the reservoir will be filled in 12 hours. One pipe fills reservoir 10 hours faster than the other. How many hours does the faster pipe take to fill the reservoir?

A 25 hrs

B 28 hrs

C 20 hrs

D 35 hrs

Review Detailed Answer

Correct Answer: 20 hrs

Two pipes can separately fill a tank in 20 and 30 hours respectively. Both the pipes are opened to fill the tank but when the tank is full, a leak develops in the tank through which one-third of water supplied by both the pipes goes out. What is the total time taken to fill the tank?

A 18 hrs

B 16 hrs

C 15 hrs

D 12 hrs

Review Detailed Answer

Correct Answer: 16 hrs

An outlet pipe can empty 2/3 rd of a cistern in 12 minutes. In 8 minutes, what part of the cistern will be emptied?

A 4/9

B 2/3

C 4/7

D 1/6

Review Detailed Answer

Correct Answer: 4/9

Two pipes A and B can separately fill a cistern in 10 and 15 minutes respectively. A person opens both the pipes together when the cistern should have been was full he finds the waste pipe open. He then closes the waste pipe and in another 4 minutes the cistern was full. In what time can the waste pipe empty the cistern when fill?

A 7 min

B 8 min

C 9 min

D 10 min

Review Detailed Answer

Correct Answer: 8 min

A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 liters per minute. When the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours. The capacity of the tank is?

A 5260 liters

B 5760 liters

C 5846 liters

D 6970 liters

Review Detailed Answer

Correct Answer: 5760 liters

Two pipes A and B can separately fill a tank in 12 and 15 minutes respectively. A third pipe C can drain off 45 liters of water per minute. If all the pipes are opened, the tank can be filled in 15 minutes. What is the capacity of the tank?

A 480 liters

B 540 liters

C 600 liters

D 675 liters

Review Detailed Answer

Correct Answer: 540 liters

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 40 hrs

D 25 hrs

Review Detailed Answer

Correct Answer: 40 hrs

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Maths 2024 MCQs [All-Courses]

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All Topics 2024

A pipe can fill a cistern in 20 minutes whereas the cistern when fill can be emptied by a leak in 28 minutes. When both pipes are opened, find when the cistern will be full?

A cistern which could be filled in 9 hours takes one hour more to be filled owing to a leak in its bottom. If the cistern is full in what time will the leak empty it?

pipes P and Q would fill a cistern 18 and 24 minutes respectively. Both pipes being opened, find when the first pipe must be turned off so that the cistern may be just filled in 12 minutes?

Two pipes function simultaneously the reservoir will be filled in 12 hours. One pipe fills reservoir 10 hours faster than the other. How many hours does the faster pipe take to fill the reservoir?

Two pipes can separately fill a tank in 20 and 30 hours respectively. Both the pipes are opened to fill the tank but when the tank is full, a leak develops in the tank through which one-third of water supplied by both the pipes goes out. What is the total time taken to fill the tank?

An outlet pipe can empty 2/3 rd of a cistern in 12 minutes. In 8 minutes, what part of the cistern will be emptied?

A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 liters per minute. When the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours. The capacity of the tank is?

Two pipes A and B can separately fill a tank in 12 and 15 minutes respectively. A third pipe C can drain off 45 liters of water per minute. If all the pipes are opened, the tank can be filled in 15 minutes. What is the capacity of the tank?

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?