What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘-’ are interchanged and ‘×’ and ‘÷’ are interchanged?
125 ÷ 5 + 1809 × 9 - 14 = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 438.
Given equation: 125 ÷ 5 + 1809 × 9 - 14 = ?
If ‘+’ and ‘-’ are interchanged and ‘×’ and ‘÷’ are interchanged:
125 × 5 - (1809 ÷ 9) + 14 = ?
= (125 × 5) - 201 + 14
= 625 - 201 + 14
= 639 - 201
= 438