Question

If $5A+B3=65$, then the value of $A$ and $B$ is

• A. $A=2,B=3$
• B. $A=3,B=2$
• C. $A=2,B=1$
• D. $A=1,B=2$

Answer 1

The correct option is C

$A=2,B=1$

Explanation for the correct option

Step 1: Solve for value of $A$

Given that $5A+B3=65$

$5A+B365$

In the units column $A+3=5$

Since $A$ is a single digit, it should be between $0$ and $9$

$\therefore A+3=5\Rightarrow A=5-3=2$

Step 2: Solve for value of $B$

$$\begin{gathered} \therefore 5+B=6 \\ \Rightarrow B=6-5=1 \end{gathered}$$

Hence the correct option is option(C) i.e. $A=2,B=1$