mathematics MCQs – Page 17

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 Review each marked answer and report any item that may be outdated or unclear.

801. 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. None of these

B. 9.70%

C. 7.50%

D. 8%
802. P is able to do a piece of work in 15 days and Q can do the same work in 20 days. If they can work together for 4 days, what is the fraction of work left?
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A. 15-Jul

B. 15-Nov

C. 8/15

D. 11-Feb

803. A can do a certain job in 12 days. B is 60% more efficient than A. The number of days it takes for B to do the same piece of work, is:_________?
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A. 23 days

B. 12/6 days

C. 15/2 days

D. 34 days

804. Find the cost of 96 shares of Rs. 10 each at (3/4) discount, brokerage being(1/4) per share.
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A. 912

B. 812

C. 1012

D. 1112

805. The difference between the compound interest and the simple interest on a certain sum at 5 % per annum for 2 years is Rs. 1.50. The sum is_______?
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A. Rs.300

B. Rs.400

C. Rs.600

D. Rs.500

806. A person walking at 5/6th of his usual speed is 40 minutes late to his office. What is his usual travel time to his office?
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A. 3 hours

B. 3 hours 30 minutes

C. 3 hours 15 minutes

D. 3 hours 20 minutes
807. Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal, he can complete the work in________days.
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A. 11

B. 15

C. 16

D. 14

808. A man saves Rs. 200 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years?
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A. Rs. 662.02

B. Rs. 635

C. Rs. 565.25

D. Rs. 666.50

809. The difference between compound interest and simple interest on a sum for 2 years at 8% P.a is Rs 786. The sum is:_________?
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A. Rs 100000

B. Rs 120000

C. Rs 11000

D. Rs 170000

810. Sehar gave Shazia Rs.1250 on compound interest for 2 years at 4% per annum. How much loss would Sehar has suffered had she given it to Shazia for 2 years at 4% per annum simple interest?
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A. Rs.10

B. Rs.2

C. Rs.5

D. Rs.3

811. What will be the compound interest on Rs 25000 after 3 years at 12% Per annum?
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A. Rs 9000.30

B. None of these

C. Rs 9720

D. Rs 10483.20

E. Rs 10123.20

812. The compound and the simple interests on a certain sum at the same rate of interest for two years are Rs.11730 and Rs.10200 respectively. Find the sum.
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A. Rs.17500

B. Rs.18500

C. Rs.18000

D. Rs.17000

E. None of these.

813. The capacity of a cylindrical tank is 246.4 litres. If the height is 4 metres, what is the diameter of the base ?
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A. 14 m

B. 1.4 m

C. None of these

D. 2.8 m

814. In order to obtain an income of Rs. 650 from 10% stock at Rs. 96, one must make an investment of___________?
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A. Rs. 6240

B. Rs.3100

C. Rs.6500

D. Rs.9600

815. Shohaib invested Rs. 8000 in a scheme for 2 years at compound interest rate 5% p.a. How much amount will Shohaib get on maturity of the fixed deposit?
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A. Rs. 8800

B. Rs. 8840

C. Rs. 8600

D. Rs. 8620

E. None of these
816. A sum amounts to Rs. 2916 in 2 years and to Rs.3149.28 in 3 years at compound Interest. The sum is_________?
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A. Rs.1500

B. Rs.3000

C. Rs.2500

D. Rs.2000

817. P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?
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A. 14 days

B. 15 days

C. 10 days

D. 9 days

818. A is thrice as good as B in work. A is able to finish a job in 60 days less than B. They can finish the work in___________days if they work together.
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A. 22 days

B. 26 days

C. 18 days

D. 24 days

819. How much more would Rs.20000 fetch, after two years, if it is put at 20% p.a. compound interest payable half yearly than if is put at 20% p.a. compound interest payable yearly?
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A. Rs.512

B. Rs.424

C. Rs.842

D. Rs.482
820. A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every Third day ?
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A. 16 days

B. 15 days

C. 18 days

D. 12 days

821. In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?
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A. 87.50%

B. 100%

C. 80%

D. 84%

E. None of these
822. The denominator of a fraction is 1 less than twice the numerator. If the numerator and denominator are both increased by 1, the fraction becomes 3/5. Find the fraction?
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A. 5/9

B. None of these

C. 5-Mar

D. 3-Feb

E. 7-Apr

823. There are some rabbits and peacocks in a zoo. The total number of their heads is 60 and total number of their legs is 192. Find the number of total rabbits?
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A. 40

B. 46

C. 30

D. 44

E. None of these
824. Jameel gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Nasir gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross?
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A. 30

B. 19

C. 28

D. 37

825. How many 4-letter words with or without meaning, can be formed out of the letters of the word, LOGARITHMS, if repetition of letters is not allowed?
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A. 400

B. 2520

C. 5040

D. 40

826. A runs 1 2/3 times as fast as B. If A gives B a start of 80 m, how far must the winning post be so that A and B might reach it at the same time?
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A. 200 m

B. 300 m

C. 160 m

D. 270 m

827. A man can row at 5 km/hr in still water, if the river is running at 1 km/hr it takes him 75 minutes to row to a place and back. How far is the place?
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A. 5 km

B. 4 km

C. 2.5km

D. 3km
828. 31.2 * 14.5 * 9.6 = ________?
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A. 4243.04

B. 4343.04

C. 4433.04

D. 4334.04

829. A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?
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A. 10 liters

B. 7 liters

C. 15 liters

D. 9 liters

830. 6 of 5/8 / 5/8 1/8 = ______?
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A. 6 3/4

B. 5 7/8

C. 6 1/8

D. 5 3/4

831. (1.9 * 0.021) / (0.095 * 0.105) = ______?
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A. 10

B. 4

C. 5-Jan

D. 20-Jan

832. A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior?
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A. C?? + 1

B. C??

C. C?? 1

D. C? + ?C?

833. A person can row at 9 kmph and still water. He takes 4 1/2 hours to row from A to B and back. What is the distance between A and B if the speed of the stream is 1 kmph?
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A. 25 km

B. None of these

C. 24 km

D. 28 km

E. 32 km

834. Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?
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A. 2 years

B. 4 years

C. 3 years

D. 6 years

835. There are 30 people in a group. If all shake hands with one another , how many handshakes are possible?
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A. 29! + 1

B. 870

C. 30!

D. 435
836. A man can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the same distance in river. The speed of the current is:________?
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A. 1 km/hr

B. 3 1/3 km/hr

C. 4 2/3 km/hr

D. 3 1/9 km/hr

837. 2222.2 + 222.22 + 22.222 = ________?
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A. 2466.462

B. 2664.642

C. 2466.642

D. 2464.462

838. The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:_______?
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A. Rs. 19.50

B. Rs. 18

C. Rs. 18.50

D. Rs. 19

839. How many four digit numbers can be formed using the digits {1, 3, 4, 5, 7,9}(repetition of digits is not allowed)?
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A. 180

B. 60

C. 360

D. 300

840. A student has to opt for 2 subjects out of 5 subjects for a course. Namely commerce, economics, statistics, mathematics 1 and Mathematics 2, Mathematics 2 can be offered only if mathematics 1 has also opted. The number of different combinations of two subjects which can be opted is_________?
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A. 7

B. 5

C. 18

D. 6

841. 43% of 784 = ________?
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A. 339.12

B. 312.73

C. 337.12

D. 373.12

842. 7394 1236 4652 = ________?
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A. 1706

B. 1496

C. 1606

D. 1506
843. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?
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A. 3.12 km

B. 2 km

C. 2.88 km

D. 3 km

844. There is 60% increase in an amount in 6 years at S.I. What will be the C.I. of Rs. 12,000 after 3 years at the same rate?
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A. Rs. 2160

B. Rs. 6240

C. Rs. 3972

D. Rs. 3120

845. The number obtained by interchanging the two digits of a two-digit number is less than the original number by 45. If the sum of the two digits of the number so obtained is 13, then what is the original number?
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A. Either (a) or (b)

B. 83

C. 94

D. 49

E. None of these

846. A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed of man in still water?
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A. None of these

B. 12.5 kmph

C. 10 kmph

D. 15 kmph

E. 12 kmph

847. A bag contains equal number of Rs.5, Rs.2 and Re.1 coins. If the total amount in the bag is Rs.1152, find the number of coins of each kind?
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A. 288

B. 432

C. 72

D. 144

E. None of these

848. 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 sum at the rate and for the same time?
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A. Rs. 54.25

B. Rs. 60

C. Rs. 51.25

D. Rs. 52

849. Three consecutive odd integers are in increasing order such that the sum of the last two integers is 13 more than the first integer. Find the three integers?
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A. 13, 15, 17

B. 7, 9, 11

C. 9, 11, 13

D. 11, 13, 15

E. None of these

850. (64 + 9 + 9) / (2 * 20 + 1) = _______?
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A. 1

B. 2

C. 2-Mar

D. 2-May