Problems on H.C.F and L.C.M - Quantitative Aptitude (MCQ) questions for Q. 20416

Q.  Find the least number which should be added to 2430 so that the sum is exactly divisible by 5, 4 and 2
- Published on 07 Jul 17

a. 3
b. 10
c. 13
d. 33

ANSWER: 10
 
L.C.M of 5, 4, and 2 = 20. On dividing 2430 by 20, the remainder is 10.
Therefore, number to be added = (20 - 10) = 10

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