Question : Directions: If + means ÷, – means +, × means – and ÷ means ×, what will be the value of the following expression?
[{(32 × 20) – (2 ÷ 3)} + (2 – 4)] ÷ 3 = ?
Option 1: 8
Option 2: 10
Option 3: 9
Option 4: 6
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Correct Answer: 9
Solution :
Given:
[{(32 × 20) – (2 ÷ 3)} + (2 – 4)] ÷ 3 = ?
On interchanging the signs given in the equation, the equation becomes –
= [{(32 – 20) + (2 × 3)} ÷ (2 + 4)] × 3
= [{12 + 6} ÷ 6] × 3
= [18 ÷ 6] × 3
= 3 × 3 = 9
So, 9 is the required answer to the given equation. Hence, the third option is correct.
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