HCF and LCM Aptitude Questions Practice Question and Answer
8 Q: a and b are two whole numbers and c is their HCF, then the LCM of those two numbers is
1242 061bac36539095b5c3063b0e1
61bac36539095b5c3063b0e1- 1ab/ctrue
- 2abcfalse
- 3bcfalse
- 4ac/bfalse
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Answer : 1. "ab/c"
Q: Find the HCF of 60, 148 and 382.
1227 0648721bbbf323e479aa75394
648721bbbf323e479aa75394- 16false
- 224false
- 34false
- 42true
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Answer : 4. "2"
Q: If the product of three consecutive numbers is 210 then sum of the smaller number is:
1226 05f0823018e448621429eabd3
5f0823018e448621429eabd3- 15false
- 211true
- 33false
- 44false
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Answer : 2. "11"
Q: The HCF and LCM of two numbers are 21 and 4641 respectively. If one of the numbers lies between 200 and 300, then the two numbers are-
1224 0600a9f20bc7633585f489302
600a9f20bc7633585f489302- 1273, 357true
- 2273,361false
- 3273, 359false
- 4273, 363false
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Answer : 1. "273, 357"
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.
1214 0608660940ac1df7d9f79f449
608660940ac1df7d9f79f449- 110false
- 214false
- 320true
- 428false
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Answer : 3. "20"
Q: Three men step off together from the same spot. Their steps measure 63 cm, 70 cm and 77 cm respectively. The minimum distance each should cover so that all can cover the distance in complete steps is
1197 05ffeb2a84426b26e3e5a5347
5ffeb2a84426b26e3e5a5347- 19630 cmfalse
- 29360 cmfalse
- 36930 cmtrue
- 46950 cmfalse
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Answer : 3. "6930 cm"
Q: What is the greatest common factor of 2³ × 7² and 2⁵ × 3¹?
1197 06310a0657c72c0778468e2c2
6310a0657c72c0778468e2c2- 12³ 3¹false
- 22³ 7² 3¹false
- 32³true
- 43¹ 7²false
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Answer : 3. "2³"
Q: Which of the following numbers is divisible by 11?
1192 064b50b78e154aff5337311f1
64b50b78e154aff5337311f1- 15214341true
- 25648741false
- 36598321false
- 42378965false
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