If P stands for ‘÷’, Q stands for ‘×’, R stands for ‘+’ and S stands for ‘–’. Then, which one of the following equation is correct ?
18 Q 12 P 4 R 5 S 6 = ?
Answer & explanation
Correct answer: option 3
18 Q 12 P 4 R 5 S 6
18 × 12 ÷ 4 + 5 – 6
\(\frac{18×12}{4}+5-6\)
= 54 + 5 – 6
= 53