Question

The product of 2 number is 1296 if one number is 16 times more the other find the number

Answer 1

I think this pic will help you

Answer 2

Let one number be x.
Another number = 16x
Now, As per question,
x*16x =1296
16x^2 =1296
x^2 =1296/16 =81
x = 9.
So, Numbers will be 9 and 16*9 i.e. 144.