Math, asked by AGNIVESE, 2 months ago

find the value of y for which 3 digit number 3z1 is divisible by 9​

Answers

Answered by lucifer1109
0

Step-by-step explanation:

Since, 3x1 is divisible by 9, the sum of its digits i.e. 3+x+1

should be divisible by 9.

Thus, (4+x) should be divisible by 9.

This is possible when 4+x=9 or 18.

Since x is a single digit number,

⇒4+x=9

⇒x=5

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