Question : Directions: If + means ÷, – means +, × means –, ÷ means ×, what will be the value of the following expression?
[{(34 × 12) – (4 ÷ 3)} + (12 – 5)] ÷ 5
Option 1: 10
Option 2: 1
Option 3: 2
Option 4: 20
Correct Answer: 10
Solution :
Given:
+ means ÷, – means +, × means –, ÷ means ×
[{(34 × 12) – (4 ÷ 3)} + (12 – 5)] ÷ 5
After interchanging the symbols the equation becomes –
⇒ [{(34 – 12) + (4 × 3)} ÷ (12 + 5)] × 5
= {(22 + 12) ÷ (17)} × 5
= (34 ÷ 17) × 5
= 10
So, the required answer is 10. Hence, the first option is correct.
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