Question

If 213 x 27 is divisible by 9, then the value of x is​

Answer 1

Answer:

Since the number is divisible by 9, then the sum of the digits are also divisible by 9.

So,

2 + 1 + 3 + x + 2 + 7 = 9k

or, 15 + x = 9k

When x=3, LHS=18, divisible by 9.

Hence, the answer is x=3.

The number is 213337.

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Answer 2

Answer:

x-is-0

Step-by-step explanation:

If 213 x 27 is divisible by 9, then the sum of the digits of a number is a multiple of 9.

2+1+3+x+2+7 = 15+x

.Then 15x must be any multiple of 9 such as 9, 18, 27 …

Now assume that,

15+x = 18

x = 18 -15

x = 3

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