Question : What is the least value of x so that the number 8x5215 becomes divisible by 9?
Option 1: 3
Option 2: 1
Option 3: 5
Option 4: 6
Answer (1)
21st Jan, 2024
Correct Answer: 6
Solution :
A number is divisible by 9 if the sum of all digits is divisible by 9.
Number = 8x5215
The sum of all digit = (8 + x + 5 + 2 + 1 + 5) = (21 + x)
Nearest multiple of 9 = 27
To make the number divisible by 9 then we have to replace the x by 6
∴ The least value of x is 6.
Hence, the correct answer is 6.
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