mathematics MCQs – Page 135

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 Review each marked answer and report any item that may be outdated or unclear.

2681. The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 10, then their difference is__________?
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A. 70

B. 90

C. 46

D. 10
2682. There are four prime numbers written in ascending order of magnitude. The product of the first three is 7429 and of the last three is 12673. Find the fourth number?
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A. 17

B. 31

C. 23

D. 29
2683. The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is_________?
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A. 64

B. 40

C. 28

D. 32

2684. Find the least number which when divide by 2, 3, 4, 5 and 6 leaves 1, 2, 3, 4 and 5 as remainders respectively, but when divided by 7 leaves no remainder?
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A. 154

B. 210

C. 126

D. 119
2685. The product of two digits number is 2160 and their HCF is 12. The numbers are________?
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A. (72,30)

B. -12,180

C. (96,25)

D. (36,60)
2686. Find the greatest number which, while dividing 19, 83 and 67, gives a remainder of 3 in each case?
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A. 17

B. 19

C. 18

D. 16
2687. Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?
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A. 355

B. 366

C. 377

D. 344

2688. The product of two numbers is 2028 and their H.C.F is 13. The number of such pairs is__________?
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A. 3

B. 4

C. 1

D. 2
2689. If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to___________?
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A. 11/120

B. 601/55

C. 120/11

D. 55/601

2690. The greatest number of four digits that have 144 for their HCF is___________?
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A. 9930

B. 9903

C. 9936

D. 9935

2691. A man was employed on the promise that he will be paid the highest wages per day. The contract money to be paid was Rs. 1189. Finally he was paid only Rs. 1073. For how many days did he actually work?
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A. 39

B. 40

C. 35

D. 37
2692. Which of the following fractions is the largest?
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A. 13/16

B. 7/8

C. 63/80

D. 31/40

2693. LCM of 1/3, 5/6, 5/4, 10/7 is_________?
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A. 7-Oct

B. 10

C. 11-Oct

D. 10-Nov

2694. HCF of 3/16, 5/12, 7/8 is__________?
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A. Feb-47

B. Mar-47

C. 1/48

D. May-48

2695. HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is_______?
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A. 264

B. 36

C. 66

D. 132
2696. Find the least multiple of 13 which when divided by 6, 8 and 12 leaves 5, 7 and 11 as remainders respectively? A. 143 B. 169 C. 260 D. 221
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A. 169

B. 143

C. 221

D. 260

2697. A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is_______?
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A. 51

B. 31

C. 61

D. 41

2698. A room is 6 meters 24 centimeters in length and 4 meters 32 centimeters in width. Find the least number of square tiles of equal size required to cover the entire floor of the room?
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A. 124

B. 117

C. 110

D. 96

2699. An officer was appointed on maximum daily wages on contract money of Rs. 4956. But on being absent for some days, he was paid only Rs. 3894. For how many days was he absent?
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A. 4

B. 5

C. 6

D. 3
2700. The ratio of numbers is 3:4 and their H.C.F is 4. Their L.C.M is__________?
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A. 24

B. 48

C. 16

D. 12