mathematics MCQs – Page 51

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 Review each marked answer and report any item that may be outdated or unclear.

1001. In how many different ways can the letters of the word MATHEMATICS be arranged so that the vowels always come together?
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A. 4989600

B. 10080

C. 120960

D. None of these

1002. A bag contains nine yellow balls, three white balls and four red balls. In how many ways can two balls be drawn from the bag?
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A. C?

B. ?C?

C. ?C?

D. C?

1003. Using all the letters of the word NOKIA, how many words can be formed, which begin with N and end with A?
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A. 24

B. 3

C. 6

D. 120

1004. The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is_________?
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A. 3

B. 6

C. 5

D. 4
1005. A man can row three-quarters of a kilometer against the stream in 11 minutes and return in 7 minutes. The speed of the man in still water is________?
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A. 5 km/hr

B. 4 km/hr

C. 2km/hr

D. 3km/hr

1006. A man can row with a speed of 15 kmph in still water. If the stream flows at 5 kmph, then the speed in downstream is________?
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A. 22 kmph

B. 20 kmph

C. 5 kmph

D. 10 kmph

1007. The number of new words that can be formed by rearranging the letters of the word ALIVE is__________?
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A. 24

B. 120

C. 23

D. 119
1008. A selection is to be made for one post of principal and two posts of vice-principal amongst the six candidates called for the interview only two are eligible for the post of principal while they all are eligible for the post of vice-principal. The number of possible combinations of selectees is___________?
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A. 12

B. 18

C. 4

D. None of these
1009. When 2 is added to half of one-third of one-fifth of a number, the result is one-fifteenth of the number. Find the number?
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A. 70

B. None of these

C. 50

D. 40

E. 60
1010. A sum of money is borrowed and paid back in two annual installments of Rs. 882 each allowing 5% C.I. The sum borrowed was?
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A. Rs. 1680

B. Rs. 1640

C. Rs. 1620

D. Rs. 1700

1011. A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey?
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A. 4 kmph

B. 10 kmph

C. 2 kmph

D. 8 kmph

1012. {20 [7 (3 -2)] + 1/3 (4.2)} / 1.4 = ________?
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A. 19

B. 12

C. 14

D. 11
1013. The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?
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A. 12 kmph

B. 15 kmph

C. 14 kmph

D. 13 kmph

1014. 1296 (24 * 0.75) = ______?
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A. 36

B. 72

C. 288

D. 144

1015. Simple Interest on a sum at 4% per annum for 2 years is 80. The compound interest on the same sum for the same period is_________?
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A. Rs. 160

B. Rs. 81.60

C. None of these

D. Rs. 1081.60

1016. The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?
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A. 35, 27 kmph

B. 50, 60 kmph

C. 45, 55 kmph

D. 70, 10 kmph
1017. 15% of 195 + 14% of 205 = _______?
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A. 58

B. 62

C. 78

D. 52

1018. A man can row downstream at 18 kmph and upstream at 10 kmph. Find the speed of the man in still water and the speed of stream respectively?
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A. 15, 3

B. 14, 4

C. 12, 6

D. 13, 3

1019. 58978 / 363.94 * 11.02 = _______?
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A. 1580

B. 1780

C. 1680

D. 1880

1020. How many four digit even numbers can be formed using the digits {2, 3, 5, 1, 7, 9}
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A. 240

B. 360

C. 60

D. 120