problems on l c m and h c f MCQs – Page 3

Practise focused problems on l c m and h c f questions with marked answers for exam preparation and subject revision.

problems on l c m and h c f Mcqs

41. 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?
0

A. 154

B. 210

C. 126

D. 119

42. 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)

43. 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

44. 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

45. 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

46. 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___________?
0

A. 11/120

B. 601/55

C. 120/11

D. 55/601

47. 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

48. 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

49. Which of the following fractions is the largest?
0

A. 13/16

B. 7/8

C. 63/80

D. 31/40

50. 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

51. 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

52. HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is_______?
0

A. 264

B. 36

C. 66

D. 132

53. 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

54. 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

55. 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

56. 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

57. 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

58. The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is________?
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A. 1994

B. 1494

C. 1349

D. 1496

59. LCM of 87 and 145 is_______?
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A. 875

B. 48

C. 1305

D. 435

60. H.C.F of 3240, 3600 and a third number is 36 and their L.C.M is 2<sup>4
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A. 2<sup>5</sup>* 5<sup>2</sup>* 7<sup>2</sup>

B. 2<sup>3</sup>* 3<sup>5</sup>* 7<sup>2</sup>

C. 2<sup>2</sup>* 5<sup>3</sup>* 7<sup>2</sup>

D. 22* 35* 72

Showing 41 to 60 of 93 mcqs