Question : Directions: If + means −, − means ×, × means ÷, and ÷ means +, then what will be the value of the following expression?
12 − 3 + 15 × 5 ÷ 6 = ?
Option 1: 42
Option 2: 33
Option 3: 40
Option 4: 39
Correct Answer: 39
Solution :
Given:
+ means −, − means ×, × means ÷, and ÷ means +
12 − 3 + 15 × 5 ÷ 6 = ?
After interchanging the given mathematical signs, we get –
12 × 3 – 15 ÷ 5 + 6
12 × 3 – 3 + 6
36 – 3 + 6
= 39
So, 39 is the answer to the given equation. Hence, the fourth option is correct.
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