mathematics MCQs – Page 31

Practise multiple-choice questions from mathematics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

601. P is 30% more efficient than Q. P can complete a work in 23 days. If P and Q work together, how much time will it take to complete the same work?
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A. 11

B. 23

C. 9

D. 13
602. A cistern has two taps which fill it in 12 min. and 15 min.respectively There is one outlet pipe in the cistern. When all the taps & pipe are opened, the empty cistern is full in 20 min. How long will the waste pipe (outlet) take to empty the full cistern ?
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A. 40 min

B. 20 min

C. 10 min

D. 30 min

603. A man invested Rs. 1552 in a stock at 97 to obtain an income of Rs. 128. The dividend from the stock is___________?
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A. 7.50%

B. None of these.

C. 8%

D. 9.70%

604. If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same at the same rate and for the same time?
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A. Rs. 54.25

B. Rs. 60

C. Rs. 52

D. Rs. 51.25
605. Find the compound interest accrued on an amount of Rs.14,800 at 13.5% p.a at the end of two years. (Round off your answer to nearest integer)
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A. Rs.4273

B. None of these

C. Rs.4613

D. Rs.4266

E. Rs.4064

606. Rayan crosses a 400m bridge in 3 minutes. What is speed?
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A. 8 kmph

B. 1.33 kmph

C. 133.33 kmph

D. 4 kmph

607. A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3200. They completed the work in 3 days with the help of C. How much is to be paid to C?
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A. Rs. 600

B. Rs. 420

C. Rs. 400

D. Rs. 380

608. The cost price of a Rs. 100 stock at 4 discount, when brokerage is 1/4 % is:___________?
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A. Rs. 104.25

B. Rs. 95.75

C. Rs. 96

D. Rs. 96.25
609. A car travels 50% faster than a bike. Both start at the same time from A to B. The car reaches 25 minutes earlier than the bike. If the distance from A to B is 100 km, find the speed of the bike.
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A. 100 km

B. 75 km

C. 120 km

D. 80 km
610. Hafeez invested Rs. 15000 @ 10% per annum for one year. If the interest is compounded half-yearly, then the amount received by Hafeez at the end of the year will be?
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A. Rs. 16,525.50

B. Rs. 16,500

C. Rs. 18,150

D. Rs. 16,537.50
611. At 10 a.m. two trains started traveling toward each other from stations 287 miles apart. They passed each other at 1:30 p.m. the same day. If the average speed of the faster train exceeded the average speed of the slower train by 6 miles per hour, which of the following represents the speed of the faster train, in miles per hour?
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A. 40

B. 38

C. 44

D. 48

612. The compound interest on a certain sum of money for 2 years at 10 % per annum is Rs.420. The simple interest on the same sum at the same rate and for the same time will be_______?
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A. Rs. 380

B. Rs.375

C. Rs.350

D. Rs. 400
613. Two pipes P and Q can fill a cistern in 12 min. and 15 min. respectively but a third pipe R can empty the full tank in 6 min. P and Q are kept open for 5 min. in the beginning and then R is also opened. In what time is the cistern emptied ?
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A. 45 min

B. 35 min

C. 40 min

D. 30 min

614. The Compound interest on Rs 16000 for 9 months at 20% P.a compounded quarterly is:__________?
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A. Rs 2522

B. Rs 2520

C. Rs 2524

D. Rs 2518

615. How much would a sum of Rs 16000 approximately amount to in 2 years at 10% P.a compounded half-yearly?
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A. Rs 17423

B. Rs 18973

C. Rs 19880

D. Rs 19448
616. A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the tanks are opened together, the tank will be_________?
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A. 14 min

B. 20 min

C. 16 min

D. 12 min

617. If 6 men take 9 days to complete a work, how many men can complete the work in 3 days?
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A. 2 men

B. 9 men

C. 12 men

D. 18 men
618. If 10 workers can make 10 tables in 10 days, then how many days would it take for 5 workers to make 5 tables?
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A. 25

B. 5

C. 1

D. 10
619. The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.144. Find the principal?
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A. Rs.3600

B. Rs.3000

C. Rs.3900

D. Rs.3300

620. The difference between simple interest and C.I. at the same rate for Rs.5000 for 2 years in Rs.72. The rate of interest is?
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A. 12%

B. 10%

C. 6%

D. 8%