Question

If the given interchanges are made in sign and numbers, which one of the four equations would be correct?

Interchanges: Signs: $-$ and $\times$ Numbers: $3$ and $6$

A. $6 - 3 \times 2 = 9$ B. $6 \times 3 - 4 = 15$ C. $3 \times 6 - 4 = 33$ D. $3 - 6 \times 8 = 10$

Accepted Answer

D. Check option D: $3 - 6 	imes 8 = 10$ Swap $3 \leftrightarrow 6$ and $- \leftrightarrow 	imes$: $$6 	imes 3 - 8 = 18 - 8 = 10$$ LHS = RHS = 10. Thus D is correct.

Symbol and Number Interchange Equation

Explanation

Practise this under exam conditions