Question

playing with numbers (1) IF a 3 digits number 5×2 id divisible by 3. find the smallest value of×

Answer 1

The answer is given below :

RULE :

We know that a three digits number be dvisible by 3 if the sum of the digits of the number be divisible by 3.

SOLUTION :

The given number is = 5x2

So, the sum of the digits of the number is

= 5 + x + 2

= x + 7

Now, we put x = 1, 2, 3, 4, ...

We see that when x = 2, (x + 7) = (2 + 7), dvisible by 3 and 2 is the least value of x.

Hence, the smallest value of x is = 2

and

the number is = 522.

Thank you for your question.