Question

if the 4-digit number x27y exactly divisible by 9, then the least value of (X+y) is :​

Answer 1

Answer:

9

Step-by-step explanation:

when a number is devisible by 9 is the sum of all digits must be multiple of 9.

so x+2+7+y=x+9+y

so least number x+y=9

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Answer 2

the answer is 9. the x=1and y=8