Find the least square number which is divisible by 10, 12, 15 and 18?
Q1. Find the least square number which is divisible by 10, 12, 15 and 18?
Answer: 900
Explanation: LCM(10,12,15,18) = 180 = 2²×3²×5. To make it a perfect square, multiply by 5 to get 900 = 2²×3²×5².