Question

Let x be the least number divisible by 8, 12, 30, 36, and 45 and x is also a perfect square. What is the value of x? 

Options

• 3600

• 4225

• 2500

• 4900

Answer 1

3600

Explanation:

L.C.M of 8, 12, 30, 36 & 45

= 8 × 9 × 5

= 360

If any number is divisible by 360 then it will divisible by the above numbers.

From the option, only '3600' is divisible by 360 and also a perfect square.