Question

if x is a digit such that the number 18multiply 71 divisble by 3 find the poossible value of x

Answer 1

Answer:

1,4,7

Step-by-step explanation:

We know that the given no 18*17 is divisible by 3.

and , if a number is divisible by 3 then sum of digits must be a multiple of 3.

1+8+x+7+1= multiple of 3

x+17= 0,3,6,9....

here x is a digit where x can have values between 0 to 9.

hence x=1,4,7