If the number 467X4 is divisible by 9, find the value of the digit marked as X.

4 5 6 7

6

Number is divisible by 9 when, sum is divisible by 9 So, 4 + 6 + 7 + x + 4 = 21 + ( number which makes the sum divisible by 9 so a single digit number can be 6) 21 + x = 21 + 6 Thus, x = 6