Question

Find All Possible Values Of X For Which The Number 7X3 Is Divisible By 3 Also Find Each Such Number

Answer 1

Answer:

X=2,5,8,

Step-by-step explanation:

If the sum of the digits of the number is divisible by 3 the number is divisible by 3 ..

7+3+X=10

if X value 2 then the total will be 12

5 then the total will be 15

8 then the total will be 18

Answer 2

The possible values of x are 2 , 5, 8 and numbers are 723 , 753 , 783

Solution:

The number given is 7X3

This number is to be divisible by 3

Divisibility rule of 3: sum of the digits is divisible by 3

Then,

7 + X + 3 is divisible by 3

We know x can only be a single digit number

And multiples of 3 between 10 to 20 is 12 , 15, 18

Let, X = 2

7 + 2 + 3 = 12 is divisible by 3

Let, X = 5

7 + 5 + 3 = 15 is divisible by 3

Let, X = 8

7 + 8 + 3 = 18 is divisible by 3

Therefore possible values of x are 2 , 5, 8

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