Question

IF 3-digit number x27 is divisible by 9, then the value of x is​

Answer 1

Answer:

Step-by-step explanation:

the divisibility rule of 9 is that the sum of digits = multiples of 9

the sum of given digits= 15

the next multiple of 9 is 18

so difference of 18 and 15 is 3 so, x=3

Step-by-step explanation:

Answer 2

The value of x = 9

Given :

3-digit number x27 is divisible by 9

To find :

The value of x

Concept :

Divisibility rule of 9 :

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

Solution :

Step 1 of 3 :

Write down the given number

Here the given 3-digit number is x27

Step 2 of 3 :

Find sum of the digits

The sum of the digits

= x + 2 + 7

= x + 9

Step 3 of 3 :

Find the value of x

We know that if the sum of the digits of a number is divisible by 9, then the number is divisible by 9

Since x27 is divisible by 9

⇒ x + 9 is divisible by 9

Since x27 is three digit number and x is a digit

∴ x = 9

Hence the required value of x = 9

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