HCF and LCM Practice Question and Answer
8 Q: A farmer has 945 cows and 2475 sheep. He farms them into flocks, keeping cows and sheep separate and having the same number of animals in each flock. If these flocks are as large as possible, then the maximum number of animals in each flock and total number of flocks required for the purpose are respectively
2619 05f0819a9bc929f40b0baa738
5f0819a9bc929f40b0baa738- 145 and 76true
- 246 and 75false
- 315 and 228false
- 49 and 380false
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Answer : 1. "45 and 76 "
Q: The ratio of two numbers is 4:5 and their LCM is 120. The numbers are
2551 05d77729e301aa5616c1b675e
5d77729e301aa5616c1b675e- 130, 40false
- 240, 32false
- 324, 30true
- 436, 20false
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Answer : 3. "24, 30"
Q: Find out the H.C.F of 306, 204 and 136.
2458 05f87f3dfdcf12a01a147a0b7
5f87f3dfdcf12a01a147a0b7- 117false
- 251false
- 368false
- 434true
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Answer : 4. "34"
Q: Four runners started running simultaneously from a point on a circular track. They took 200 seconds, 300 seconds, 360 seconds and 450 seconds to complete one round. After how much time do they meet at the starting point for the first time?
2230 05ed90ec4e4997750bdbb82a4
5ed90ec4e4997750bdbb82a4- 13600 sec.false
- 22400 sec.false
- 31800 sec.true
- 44800 sec.false
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Answer : 3. "1800 sec. "
Q: The largest number, which divides 25, 73 and 97 to leave the same remainder in each case, is
2207 05f0802398e448621429ddbb9
5f0802398e448621429ddbb9- 121false
- 26false
- 324true
- 423false
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Answer : 3. "24 "
Q: The smallest perfect square divisible by each of 6, 12 and 18 is :
2207 05dcba623a09a1624d197c824
5dcba623a09a1624d197c824- 1196false
- 2144false
- 3108false
- 436true
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Answer : 4. "36 "
Q: The greatest number that can be subtracted from 10000 so that the remainder may be divisible by 32, 36, 48 and 54 is-
2182 15f5b167cdc518b408a4269a0
5f5b167cdc518b408a4269a0- 19136true
- 29216false
- 39316false
- 49236false
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Answer : 1. "9136"
Q: The greatest number that divides 411, 684, 821 and leaves 3, 4 and 5 as remainders, respectively, is
2101 05f0823d3bc929f40b0baf96b
5f0823d3bc929f40b0baf96b- 1136true
- 2204false
- 3254false
- 4146false
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