Find the greatest 4-digit number exactly divisible by 3, 4 and 5?

Problems on L.C.M and H.C.F 10/03/2021

A. 9985
B. 9960
C. 9957
D. 9975

Explanation:

Greatest 4-digit number is 9999. LCM of 3, 4 and 5 is 60. Dividing 9999 with 60, we get remainder 39. Thus, the required number is 9999 – 39 = 9960.

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