Question

What is the value of $x$ such that $78x$ is divisible by $2$?

• A. $3$
• B. $5$
• C. $7$
• D. $8$

Answer 1

The correct option is D $8$

We know the divisibility rule for $2$:
Always check the last digit end with $0,2,4,6$ or $8$
Here, $788$ is divisible by $2$ because the last digit is end with $8$.

So, option D is correct.