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 greatest number, which when divides 989 and 1327 leave remainder 5 and 7 respectively:
1216 05dcba57585d84c59cfbc116e
5dcba57585d84c59cfbc116e- 18false
- 216false
- 324true
- 432false
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Answer : 3. "24"
Q: If A and B are the HCF and LCM respectively of two algebraic expressions x and y, and A + B = x + y, then the value of A3 + B3 is
1273 05dca4b85582669277c295f80
5dca4b85582669277c295f80- 1$$x^3-y^3 $$false
- 2$$x^3$$false
- 3$$y^3$$false
- 4$$x^3 + y^3$$true
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Answer : 4. "$$x^3 + y^3$$"
Q: Find the greatest number which will exactly divide 200 and 320.
1940 05dca4c41f7c0852c44759af5
5dca4c41f7c0852c44759af5- 110false
- 220false
- 316false
- 440true
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Answer : 4. "40"
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 HCF of two numbers 12906 and 14818 is 478. Their LCM is:
1841 05dad6d715dbf7f08d1899e08
5dad6d715dbf7f08d1899e08- 1400086true
- 2200043false
- 3600129false
- 4600129false
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Answer : 1. "400086 "
Q: The ratio of two numbers is 4:5 and their LCM is 120. The numbers are
2439 05d77729e301aa5616c1b675e
5d77729e301aa5616c1b675e- 130, 40false
- 240, 32false
- 324, 30true
- 436, 20false
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Answer : 3. "24, 30"
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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