If '–' stands for '÷', '+' stands for '×', '÷' stands for '–' and '×' stands for '+', then find out which one is correct ?
Answer & explanation
Correct answer: option 2
49 – 7 + 3 ÷ 5 × 8 = 24
change the signs as per the question,
49 ÷ 7 × 3 – 5 + 8 = 24
⇒ 7 × 3 – 5 + 8 = 24
⇒ 21 – 5 + 8 = 24
∴ 24 = 24