# LCM and HCF

HCF and LCM: What is LCM? What is HCF? LCM full form, HCF full form, How to find LCM of two numbers, LCM of Fractions, HCF of Fractions, HCF and LCM problems

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## Online Aptitude Questions with Answers on LCM and HCF

Q41. **The least number which when divided by 8, 12 and 16, leave in each remainder 3, is?**

1.  71
2.  70
3.  69
4.  51

Solution : 51
Q42. **The least number which when add 3 to it, completely divided 8, 12 and 18 is?**

1.  71
2.  70
3.  69
4.  68

Solution : 69

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Q43. **The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is?**

1.  1267
2.  1265
3.  1261
4.  68

Solution : 1267
Q44. **Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?**

1.  246 seconds
2.  242 seconds
3.  240 seconds
4.  243 seconds

Solution : 240 seconds

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Q45. **The product of two digits number is 2160 and their HCF is 12. The numbers are:**

1.  (36,60)
2.  (12,180)
3.  (96,25)
4.  (72,30)

Solution : (36,60)
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