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

Q26. The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

1.  123
2.  127
3.  235
4.  305

Solution : 127
Q27. Which of the following has the most number of divisors?

1.  99
2.  101
3.  176
4.  182

Solution : 176
Q28. The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the two numbers is:

1.  28
2.  32
3.  40
4.  64

Solution : 40
Q29. The H.C.F. of 9/10,12/25,18/35 and 21/40 is:

1.  3/5
2.  252/5
3.  3/1400
4.  63/700

Solution : 3/1400

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Q30. If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to:

1.  55/601
2.  601/55
3.  11/120
4.  120/11

Solution : 11/120
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