HCF and LCM Aptitude Questions Practice Question and Answer
8 Q: The LCM of two numbers is 864 and their HCF is 144. If one of the numbers is 288, the other number is:
731 062f11a4d09a97851b6263f0b
62f11a4d09a97851b6263f0b- 1432true
- 2144false
- 3576false
- 41296false
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Answer : 1. "432 "
Q: On dividing 256a2b2c2 by 64a2, we get
630 062ce947e31b6d2015533b673
62ce947e31b6d2015533b673- 14false
- 24b2c2true
- 32c2false
- 42b2false
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Answer : 2. "4b2c2"
Q: A, B and C start running around a circular field having circumference 144 metre at the same time from the same point. Speeds of A, B and C are 6 m/minute, 8 m/minute and 12 m/minute. Find after how much time, they will meet again at the same point for the first time.
1106 1626a83fbe1e2a840c34513d9
626a83fbe1e2a840c34513d9- 172 minutestrue
- 236 minutesfalse
- 3144 minutesfalse
- 418 minutesfalse
- 5None of thesefalse
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Answer : 1. "72 minutes"
Q: The HCF and LCM of two numbers are 3 and 2730 respectively. If one of the numbers is 78, find the other number.
868 06073ff4363b9781494d851e2
6073ff4363b9781494d851e2- 1107false
- 2103false
- 3105true
- 4102false
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Answer : 3. "105"
Q: What is the LCM (least common multiple) of 57 and 93?
942 05f0e73a7dcdb5f61f5c2f28d
5f0e73a7dcdb5f61f5c2f28d- 11576false
- 21767true
- 31567false
- 41919false
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Answer : 2. "1767"
Q: LCM of two numbers is 2079 and their HCF is 27. If one of the numbers is 189, the other number is
704 061bac3c039095b5c3063b11c
61bac3c039095b5c3063b11c- 1297true
- 2584false
- 3189false
- 4216false
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Answer : 1. "297"
Q: a and b are two whole numbers and c is their HCF, then the LCM of those two numbers is
822 061bac36539095b5c3063b0e1
61bac36539095b5c3063b0e1- 1ab/ctrue
- 2abcfalse
- 3bcfalse
- 4ac/bfalse
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Answer : 1. "ab/c"
Q: What is the Highest Factor of $$ {2^{3}×{3^{5}}} and \ {2^{3}×{3^{5}}}$$ ?
684 0610c651e997056628331c295
610c651e997056628331c295- 1$$ {2^{3}×{3^{5}×{5^{2}}}}$$false
- 2$$ {3^{3}} $$true
- 3$$ {2^{1}×{3^{3}×{5^{1}}}}$$false
- 4$$ {{3^{5}×{5^{2}}}}$$false
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