Question : Directions: If + means ÷, – means +, × means – and ÷ means ×, then what will come in place of (?) in the given equation?
5 ÷ 2 – 20 + 5 × 2 = ?
Option 1: 12
Option 2: 15
Option 3: 20
Option 4: 10
Correct Answer: 12
Solution :
Given
+ means ÷, – means +, × means – and ÷ means ×
5 ÷ 2 – 20 + 5 × 2 = ?
After interchanging the symbols the equation becomes –
= 5 × 2 + 20 ÷ 5 – 2
= 10 + 4 – 2
= 12
So, the required answer after solving the equation is 12. Hence, the first option is correct.
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