Solution:
We have to find LCM of 4,9&10.So,
4=2×2, 9=3×3, 10=5×2
So, LCM=
Now, Using LCM we see that is 180 are multiplied by 5 then it will become a perfect square.
∴ required number =180×5=900.
Find the smallest square number which is divisible by each of the numbers 4, 9 and 10.