HCF and LCM Aptitude Questions Practice Question and Answer
8 Q: Find the HCF of 60, 148 and 382.
1522 0648721bbbf323e479aa75394
648721bbbf323e479aa75394- 16false
- 224false
- 34false
- 42true
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Answer : 4. "2"
Q: a and b are two whole numbers and c is their HCF, then the LCM of those two numbers is
1515 061bac36539095b5c3063b0e1
61bac36539095b5c3063b0e1- 1ab/ctrue
- 2abcfalse
- 3bcfalse
- 4ac/bfalse
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Answer : 1. "ab/c"
Q: What is the greatest common factor of 2³ × 7² and 2⁵ × 3¹?
1500 06310a0657c72c0778468e2c2
6310a0657c72c0778468e2c2- 12³ 3¹false
- 22³ 7² 3¹false
- 32³true
- 43¹ 7²false
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Answer : 3. "2³"
Q: The LCM of two numbers is 864 and their HCF is 144. If one of the numbers is 288, the other number is:
1488 062f11a4d09a97851b6263f0b
62f11a4d09a97851b6263f0b- 1432true
- 2144false
- 3576false
- 41296false
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Answer : 1. "432 "
Q: If the least common multiple(LCM) of two numbers is 231, the Highest common multiple(H.C.F) of both numbers is 11 and the first number is 77, then the second number is
1478 05f1aa60f64a4af418928cb9c
5f1aa60f64a4af418928cb9c- 147false
- 237false
- 357false
- 433true
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Answer : 4. "33"
Q: The HCF of two numbers is 4 and the two other factors of LCM are 5 and 7. Find the smaller of the two numbers.
1475 0608660940ac1df7d9f79f449
608660940ac1df7d9f79f449- 110false
- 214false
- 320true
- 428false
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Answer : 3. "20"
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?
1455 0602cc6b9a6ca4d5b0bb3d5d8
602cc6b9a6ca4d5b0bb3d5d8- 156false
- 284true
- 382false
- 415false
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Answer : 2. "84"
Q: If the product of three consecutive numbers is 210 then sum of the smaller number is:
1450 05f0823018e448621429eabd3
5f0823018e448621429eabd3- 15false
- 211true
- 33false
- 44false
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