Question : Directions: What will come in the place of (?) in the following equation, if + and – are interchanged and × and ÷ are interchanged?
53 ÷ 4 – 21 × 7 + 14 = ?
Option 1: 203
Option 2: 201
Option 3: 202
Option 4: 200
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Correct Answer: 201
Solution :
Given:
53 ÷ 4 – 21 × 7 + 14 = ?
After interchanging the signs the equation becomes –
= 53 × 4 + 21 ÷ 7 – 14
= 53 × 4 + 3 – 14
= 212 + 3 – 14
= 201
So, 201 is the R.H.S. of the given equation. Hence, the second option is correct.
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