mathematics MCQs – Page 53

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 Review each marked answer and report any item that may be outdated or unclear.

1041. A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?
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A. 1 hr 15 min

B. 1 hour

C. 1 hr 30 min

D. 40 minutes

1042. 105 * 99 * 299 = _________?
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A. 785600

B. 442000

C. 845000

D. 315000
1043. In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
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A. 4:05

B. 3 : 2

C. 3:04

D. 3:05

1044. The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______?
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A. 5km/hr

B. 10 km/hr

C. 15 km/hr

D. 8 km/hr

1045. (50 ?/29)% of 4200 = 3?196
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A. 1421

B. 1550

C. 1450

D. 1350

1046. A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?
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A. 12

B. 8

C. 20

D. 16

1047. A man can swim in still water at 4.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is_________?
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A. 3

B. 1.5

C. 2.25

D. 7.5

1048. the present average age of a couple and their daughter is 35 years. Fifteen years from now, the age of the mother will be equal to the sum of present ages of the father and the daughter. Find the present age of mother?
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A. None of these

B. 43 years

C. 48 years

D. 45 years

E. 40 years

1049. 32% of 425 ?% of 250 = 36
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A. 40

B. 80

C. 60

D. 20

1050. 9000 + 16 2/3 % of ? = 10500
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A. 7500

B. 9000

C. 1750

D. 1500

1051. 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 5 seniors and 5 juniors?
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A. C? * ?C?

B. C? * 10

C. 12 * ?C?

D. C? * 10

1052. Solve the equation for x : 19(x + y) + 17 = 19(-x + y) 21
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A. -2

B. -4

C. -3

D. None of these

E. -1
1053. In a can, there is a mixture of milk and water in the ratio 4 : 5. If it is filled with an additional 8 litres of milk the can would be full and ratio of milk and water would become 6 : 5. Find the capacity of the can?
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A. 52

B. 40

C. 48

D. 44
1054. 8/15 / 1 1/3 * 3 ?/4 = 1.5
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A. 2

B. 3

C. 5

D. 1

1055. ??/9261 = 11/21
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A. 1331

B. 2662

C. 121

D. 14641

1056. In a game of billiards, A can give B 20 points in 60 and he can give C 30 points in 60. How many points can B give C in a game of 100?
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A. 25

B. 50

C. 15

D. 40

1057. How many three letter words are formed using the letters of the word TIME?
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A. 16

B. 20

C. 12

D. 24
1058. 8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 65. How much wine did the cask hold originally?
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A. 32 litres

B. 24 litres

C. 18 litres

D. 42 litres

1059. A committee has 5 men and 6 women. What are the number of ways of selecting 2 men and 3 women from the given committee?
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A. 200

B. 250

C. 150

D. 300

1060. The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?
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A. 10 seconds

B. 20 seconds

C. 12 seconds

D. None of these

E. 15 seconds