Question : Directions: If + means –, – means ×, × means ÷, and ÷ means +, then what will be the value of the following expression?
13 – 3 + 15 × 3 ÷ 5 = ?
Option 1: 37
Option 2: 42
Option 3: 39
Option 4: 41
Correct Answer: 39
Solution :
Given:
+ means –, – means ×, × means ÷, and ÷ means +
13 – 3 + 15 × 3 ÷ 5 = ?
After interchanging the given mathematical signs, we get –
13 × 3 – 15 ÷ 3 + 5
13 × 3 – 5 + 5
39 – 5 + 5
= 39
So, 39 is the answer to the given equation. Hence, the third option is correct.
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