What number should be repalced with * in order to make the number 48732*637984 divisible by 9
Division rule for 9 :
Add up all the digits in the number.
Find out what the sum is. If the sum is divisible by 9, so is the number.
In your case:
4 + 8 + 7 + 3 + 2 + * + 6 + 3 + 7 + 9 + 8 + 4 = 61 + *
61 is not a multiple of 9 but 63 is.
Thats mean replase * with 2
Then the sum of numbers = 63 and number is divisible by 9.
Your number is:
487322637984
487322637984 / 9 = 54146959776