HCF and LCM Aptitude Questions Practice Question and Answer
8 Q: Two numbers are in the ratio 3 : 5 and their HCF is 20. Their LCM is
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606c41e9affa2d5265b50eeb- 160false
- 2300true
- 330false
- 410false
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Answer : 2. "300"
Q: Two numbers are in the ratio 3: 4 if their LCM is 240 then smaller number will be
1043 060363d7be62cee4356730393
60363d7be62cee4356730393- 1100false
- 280false
- 360true
- 450false
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Answer : 3. "60"
Q: Two numbers are in the ratio 3 : 4. Their L.C.M. is 84. The greater number is
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5f08172970ee59767c9e1ac1- 128true
- 284false
- 321false
- 424false
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Answer : 1. "28"
Q: Four bells ring at the intervals of 5, 6, 8, and 9 seconds. All the bells ring simultaneously at the same time. They will again ring simultaneously after:
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5ef151e22c39485d739de41b- 112 minutesfalse
- 218 minutesfalse
- 36 minutestrue
- 424 minutesfalse
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Answer : 3. "6 minutes "
Q: The least number, which when divided by 4, 5 and 6 leaves remainder 1, 2 and 3 respectively is:
1007 05f07f3b08e448621429d86e5
5f07f3b08e448621429d86e5- 161false
- 263false
- 357true
- 459false
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Answer : 3. "57"
Q: The LCM of three different numbers is 120. Which of the following cannot be their HCF?
1006 05f0817ba8e448621429e4c03
5f0817ba8e448621429e4c03- 124false
- 235true
- 38false
- 412false
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Answer : 2. "35 "
Q: Two pipes of length 36 metre and 40 metre are to be cut into equal pieces without leaving any extra length of pipe. Find the number of such pieces if pipes are to be cut of maximum length.
999 05ef1876a8022cc4acbbe8a05
5ef1876a8022cc4acbbe8a05- 19false
- 219true
- 34false
- 415false
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Answer : 2. "19"
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
999 05dcba89da09a1624d197d480
5dcba89da09a1624d197d480- 19630 cmfalse
- 29360 cmfalse
- 36930 cmtrue
- 46950 cmfalse
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