If '+' means ' ×',×' means '÷', '÷' means '-', and '-' means '+', what will come in place of the question mark (?) in the following equation?
13-17+24÷54×18+28×14=?

Correct option is D

The original equation is 13 - 17 + 24 ÷ 54 × 18 + 28 × 14 = ?.
The operators have the following meanings:

• '+' means '×'
• '×' means '÷'
• '÷' means '-'
• '-' means '+'

Substituting the operators:
The equation becomes 13 + 17 × 24 - 54 ÷ 18 × 28 ÷ 14.

Apply BODMAS to simplify:

1. Handle multiplication and division first:
   $17\times 24=408$
   $54÷18=3$
   $3\times 28=84$
   $84÷14=6$

The equation now becomes 13 + 408 - 6.

1. Perform addition and subtraction:
   $13+408=421$
   $421-6=415$.

Correct Answer: 415