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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 13 of 141 pages
Question 121. 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 122. Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:
  1.    40
  2.    80
  3.    120
  4.    200
 Discuss Question
Answer: Option A. -> 40
Question 123. The G.C.D. of 1.08, 0.36 and 0.9 is:
  1.    0.03
  2.    0.9
  3.    0.18
  4.    0.108
 Discuss Question
Answer: Option C. -> 0.18
Question 124. The product of two numbers is 2028 and 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 125. The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:
  1.    74
  2.    94
  3.    184
  4.    364
 Discuss Question
Answer: Option D. -> 364
Question 126. Find the lowest common multiple of 24, 36 and 40.
  1.    120
  2.    240
  3.    360
  4.    480
 Discuss Question
Answer: Option C. -> 360
Question 127. The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:
  1.    3
  2.    13
  3.    23
  4.    33
 Discuss Question
Answer: Option C. -> 23
Question 128. Reduce $$\frac{{128352}}{{238368}}$$  to its lowest terms.
  1.    $$\frac{{3}}{{4}}$$
  2.    $$\frac{{5}}{{13}}$$
  3.    $$\frac{{7}}{{13}}$$
  4.    $$\frac{{9}}{{13}}$$
 Discuss Question
Answer: Option C. -> $$\frac{{7}}{{13}}$$
Question 129. The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:
  1.    1677
  2.    1683
  3.    2523
  4.    3363
 Discuss Question
Answer: Option B. -> 1683
Question 130. A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?
  1.    26 minutes and 18 seconds
  2.    42 minutes and 36 seconds
  3.    45 minutes
  4.    46 minutes and 12 seconds
 Discuss Question
Answer: Option D. -> 46 minutes and 12 seconds

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