What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
49 × 7 – 6 ÷ 8 + 13 = ?

Question

Accepted Answer

Step 1: Interchange the operators as per the question:
- '+' becomes '-'
- '-' becomes '+'
- '×' becomes '÷'
- '÷' becomes '×'

Original expression: 49 × 7 – 6 ÷ 8 + 13
After interchange: 49 ÷ 7 + 6 × 8 - 13

Step 2: Calculate the expression following BODMAS:
- 49 ÷ 7 = 7
- 6 × 8 = 48

Expression becomes: 7 + 48 - 13

Step 3: Perform addition and subtraction from left to right:
- 7 + 48 = 55
- 55 - 13 = 42

Therefore, the result is 42.

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