What is the product of 9 2484x36y/36
Number which is divisible by 36 should be divisible by 9 and 4
To be divisible by 4,the value of y must be 0,4 or 8
If y=0, x= 0 or 9 = > x-y= 0 or 9
If y=4, x=5 => x-y=1
If y=8, x=1 => x-y=-7
⇒-7
989 x 10011?
99997989
99999879
999999879
9999879