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What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and '×' and '÷' are interchanged? 48 ÷ 12 × 4 + 10 - 2 = ?
14
18
22
16
14
Rewrite the equation by replacing all symbols first, then apply the BODMAS rule carefully.
Rewrite the equation by replacing all symbols first, then apply the BODMAS rule carefully.
Step 1: Identify Symbol Interchanges
According to the question, '+' and '-' are interchanged, and '×' and '÷' are interchanged.
Step 2: Rewrite the Equation
Substitute the symbols in '48 ÷ 12 × 4 + 10 - 2' to get the new expression '48 × 12 ÷ 4 - 10 + 2'.
Step 3: Apply BODMAS Rule
Perform multiplication and division from left to right, followed by addition and subtraction, which evaluates the expression to 14.
B: Incorrect calculation, C: Incorrect calculation, D: Incorrect calculation
A is correct because substituting the interchanged symbols and solving the equation yields 14.
Always rewrite the complete expression with new symbols before starting calculations to avoid sign confusion.
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