Problems On H.C.F And L.C.M – Aptitude MCQ Questions – 01 Posted on July 10, 2020July 10, 2020 by admin Question 1The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is: A. 276 B. 299 C. 322 D. 345 Question 2The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is: A. 1 B. 2 C. 3 D. 4 Question 3Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case. A. 4 B. 7 C. 9 D. 13 Question 4Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ? A. 4 B. 10 C. 15 D. 16 Question 5The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is: A. 101 B. 107 C. 111 D. 185 Question 6The G.C.D. of 1.08, 0.36 and 0.9 is: A. 0.03 B. 0.9 C. 0.18 D. 0.108 Question 7Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is: A. 4 B. 5 C. 6 D. 8 Question 8The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is: A. 74 B. 94 C. 184 D. 364 Question 9Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is: A. 40 B. 80 C. 120 D. 200 Question 10The greatest number of four digits which is divisible by 15, 25, 40 and 75 is: A. 9000 B. 9400 C. 9600 D. 9800