HCF and LCM Practice Question and Answer
8 Q: The greatest number, which when subtracted from 5834, gives a number exactly divisible by each of 20, 28, 32 and 35, is
1115 05dcba5c285d84c59cfbc1244
5dcba5c285d84c59cfbc1244- 11120false
- 24714true
- 35200false
- 45600false
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Answer : 2. "4714 "
Q: The HCF and LCM of two numbers are 12 and 924 respectively. Then the number of such pairs is:
905 05f0815b78e448621429e37e2
5f0815b78e448621429e37e2- 12true
- 23false
- 30false
- 41false
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Answer : 1. "2 "
Q: A number of friends decided to go on picnic and planned to spend Rs. 108 on eatables. Three of them however did not turn up. As a consequence, each one of the remaining had to contribute Rs 3. extra. The number of them who attended the picnic was:
2716 05d77662ba1321a5b0b59561f
5d77662ba1321a5b0b59561f- 115false
- 212false
- 39true
- 46false
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Answer : 3. " 9"
Q: The HCF and LCM of two numbers are 12 and 336 respectively. If one of the number is 84, the other is
1092 05d7f1ce150132761b5ef7477
5d7f1ce150132761b5ef7477- 136false
- 248true
- 372false
- 496false
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Answer : 2. "48"
Q: A milk in vendor has 21 liters of cow milk, 42 liters of toned milk and 63 liters of double toned milk. If he wanted to pack them in cans so that each can contains same liters of milk and does not want to mix any two kinds of milk in a can, then the least number of cans required is :
1357 05dca4a63f7c0852c4475989d
5dca4a63f7c0852c4475989d- 13false
- 26true
- 39false
- 412false
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Answer : 2. "6"
Q: The sum of two numbers is 84 and their HCF is 12. Total number of such pairs of number is
1823 05dcba761e9d33d6509be28e5
5dcba761e9d33d6509be28e5- 12false
- 23true
- 34false
- 45false
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Answer : 2. "3"
Q: If the ratio of two numbers is 13 : 15 and their L.C.M. is 39780. Then the numbers are?
1458 05ee99ce3eee45c3b83742e84
5ee99ce3eee45c3b83742e84- 12550 and 3450false
- 22652 and 3060true
- 32250 and 2340false
- 42450 and 3450false
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Answer : 2. "2652 and 3060"
Q: If the product of three consecutive numbers is 210 then the sum of the smaller numbers is:
1209 05f0825998e448621429ebbb5
5f0825998e448621429ebbb5- 15false
- 211true
- 33false
- 44false
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