If the number 467X4 is divisible by 9, find the value of the digit marked as X.
July 27, 2023
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Question
If the number 467X4 is divisible by 9, find the value of the digit marked as X.
Type
multiple_choice
Option
4
incorrect
Option
5
incorrect
Option
6
correct
Option
7
incorrect
Solution
The number is divisible by 9 so the sum of its digits would be divisible by 9. ∴4 + 6 + 7 + X + 4 = 21+ X, must be divisible by 9. X = 6, fulfills our requirement so the required digit is 6.
