Question

if a number 31x5is a multiple of 9, where x is a digit then the value of x is​

Answer 1

Answer:

the value of x may be 0 or 9

because,

If the sum of the digits of a number is divisible by 9, then the number is divisible by 9.

3+1 + x + 5 = 9 + x

so, x must be 0 or 9.

Step-by-step explanation:

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