Question:
If 213x 27 is divisible by 9, then the value of x is 0.
Solution:
False
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