HCF and LCM Practice Question and Answer
8 Q: Find the HCF of 60, 148 and 382.
801 0648721bbbf323e479aa75394
648721bbbf323e479aa75394- 16false
- 224false
- 34false
- 42true
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Answer : 4. "2"
Q: On dividing 256a2b2c2 by 64a2, we get
787 062ce947e31b6d2015533b673
62ce947e31b6d2015533b673- 14false
- 24b2c2true
- 32c2false
- 42b2false
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Answer : 2. "4b2c2"
Q: The L.C.M and H.C.F of the two numbers are 84 and 21 respectively. If the numbers have a ratio of 1: 4, what is the larger number?
778 0602cc6b9a6ca4d5b0bb3d5d8
602cc6b9a6ca4d5b0bb3d5d8- 156false
- 284true
- 382false
- 415false
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Answer : 2. "84"
Q: There are some boys and girls in a room. The square of the number of girls is 28 less than the square of the number of boys. If two more girls join then the number of boys and girls becomes equal, then what is the total number of boys and girls in the room?
778 0630de9dd4e3bf85cbe748723
630de9dd4e3bf85cbe748723- 156false
- 214true
- 310false
- 47false
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Answer : 2. "14"
Q: The greatest four digit number which is exactly divisible by each one of the numbers 12, 18, 21 and 28.
774 064008cb635d86258eccf21af
64008cb635d86258eccf21af- 19828true
- 29882false
- 39928false
- 49288false
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Answer : 1. "9828"
Q: Which of the following numbers is divisible by 11?
770 064b50b78e154aff5337311f1
64b50b78e154aff5337311f1- 15214341true
- 25648741false
- 36598321false
- 42378965false
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Answer : 1. "5214341"
Q: What is the L.C.M of 12, 36, 6 and 9?
763 0609b5df18ea85b2491042c93
609b5df18ea85b2491042c93- 136true
- 2144false
- 3108false
- 462false
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Answer : 1. "36"
Q: The HCF of two numbers is 21 and their LCM is 840. If one of the numbers is 49, then the other number is:
741 0647f30c8772333474b971453
647f30c8772333474b971453- 1650false
- 2360true
- 3540false
- 4810false
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