Math, asked by Akashabhi804, 9 months ago

If 21 y 5 is a multiple of 9, where y is a digit.what is the value of y?

Answers

Answered by Anonymous
1

Answer:

y = 1

Step-by-step explanation:

If 21y5 is a multiple of 9 then their sum of digits should be divisible by 9.

 ==: 2 + 1 + y + 5 = 9

 ==: y = 1

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