TS ICET 23 May 2018 Shift 1 Paper

Question : 84 of 200

Marks: +1, -0

What is the least square number which is divisible by 3. 4. 5 and 6?

Solution:

The least number divisible by 3, 4, 5 and 6
= LCM (3, 4, 5, 6) = 60 and

60 = 2^2 × 3 × 5

.
Required answer is a perfect square that is amultiple of 60 i.e.

2^2 × 3^2 × 5^2 = 900

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