Question

Given interchanges: Signs: $\times$ and + and numbers 2 and 8 ______________.

• A. 8 $\times$ 2 + 9 =19
• B. 2 $\times$ 8 + 10 = 13
• C. 2 + 8 $\times$ 6 = 22
• D. 8 $\times$ 2 + 6 = 19

Answer 1

The correct option is C 2 + 8 $\times$ 6 = 22

On interchanging ×× and + and 2 and 8 in (c) we get and equation
8 ×× 2 + 6 = 22 or 16 + 6 = 22 which is true.