If '+' means '−' and '−' means '×', find the value of $12 + 4 - 3$.
5
0
1
3
Correct answer: 0
Solution
Here, $+$ is replaced by $-$ and $-$ is replaced by $\times$. So the expression becomes $12 - 4 \times 3$. Using BODMAS, $4\times 3=12$, and then $12-12=0$.