Question : Directions: If + means ÷, – means +, × means –, and ÷ means ×, what will be the value of the following expression?
[{(38 × 23) – (4 ÷ 3)} + (6 – 3)] ÷ 2
Option 1: 6
Option 2: 3
Option 3: 8
Option 4: 12
Correct Answer: 6
Solution :
Given:
+ means ÷, – means +, × means –, and ÷ means ×
[{(38 × 23) – (4 ÷ 3)} + (6 – 3)] ÷ 2
Interchanging the sign as per the instruction and solving the equation, we will get–
= [{(38 – 23) + (4 × 3)} ÷ (6 + 3)] × 2
= [{(15) + (12)} ÷ (9)] × 2
= (27 ÷ 9) × 2
= 3 × 2
= 6
So, 6 is the required answer. Hence, the third option is correct.
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