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Quantitative Aptitude

HCF AND LCM MCQs

Problems On Hcf And Lcm, H.C.F And L.C.M. Of Numbers, Lcm & Hcf, Hcf And Lcm

Total Questions : 1401 | Page 135 of 141 pages
Question 1341. . The number of number-pairs lying between 40 and 100 with their H.C.F of their H.C.F as 15 is :
  1.    3
  2.    4
  3.    5
  4.    6
 Discuss Question
Answer: Option B. -> 4
Question 1342. . The H.C.F. of two numbers is 12 and their difference is 12. The numbers are
  1.    66,78
  2.    70,82
  3.    94,106
  4.    84,96
 Discuss Question
Answer: Option D. -> 84,96
Question 1343. . The sum of two numbers is 528 and their H.C.F. is 33. The number of pairs of numbers satisfying the above conditions is :
  1.    4
  2.    6
  3.    8
  4.    12
 Discuss Question
Answer: Option A. -> 4
Question 1344. . The L.C.M. of 3, 2.7 and 0.09 is :
  1.    2.7
  2.    0.27
  3.    0.027
  4.    27
 Discuss Question
Answer: Option D. -> 27
Question 1345. . The sum of two numbers is 216 and their H.C.F. is 27. The numbers are :
  1.    27, 189
  2.    81, 189
  3.    108, 108
  4.    154, 162
 Discuss Question
Answer: Option A. -> 27, 189
Question 1346. . The product of two numbers is 4107. If the H.C.F of these numbers is 37, then the greater number is :
  1.    101
  2.    107
  3.    111
  4.    185
 Discuss Question
Answer: Option C. -> 111
Question 1347. . The product of two numbers is 2028. If their H.C.F is 13. The number of such pairs is:
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Question 1348. . Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the thre numbers. is :
  1.    75
  2.    81
  3.    85
  4.    89
 Discuss Question
Answer: Option C. -> 85
Question 1349. . The H.C.F. of two numbers is 11 and their L.C.M is 7700. If one of the numbers is 275, then the other is :
  1.    279
  2.    283
  3.    308
  4.    318
 Discuss Question
Answer: Option C. -> 308
Question 1350. . Three numbers are in the ratio of 3 : 4 : 5 and their L.CM. is 2400. Their H.C.F is :
  1.    40
  2.    80
  3.    120
  4.    200
 Discuss Question
Answer: Option A. -> 40

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