Home » Problems on H.C.F and L.C.M – Questions and Answers – Quiz 2Problems on H.C.F and L.C.M – Questions and Answers – Quiz 2by VineetMay 7, 2016 1. Find the lowest common multiple of 24, 36 and 40. 120 240 360 4802. The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is: 3 13 23 333. Reduce 128352/238368 to its lowest terms. 3/4 5/13 7/13 9/134. 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: 1677 1683 1683 33635. 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 ? 26 minutes and 18 seconds 42 minutes and 36 seconds 45 minutes 46 minutes and 12 seconds6. 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: 279 283 308 3187. What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ? 196 630 1260 25208. The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is: 12 16 24 489. The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is: 1008 1015 1022 103210. 252 can be expressed as a product of primes as: 2 x 2 x 3 x 3 x 7 2 x 2 x 2 x 3 x 7 3 x 3 x 3 x 3 x 7 2 x 3 x 3 x 3 x 7 Score = Correct answers:<br /> Leave a Reply Cancel replyYour email address will not be published.CommentName Email Website