If ‘+’ means ‘−’, ‘−’ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means ‘+’, what will come in place of ‘?’ in the following equation?
42 × 6 - 7 ÷ 13 + 28 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 34.
Given Series : 42 × 6 - 7 ÷ 13 + 28
After applying the correct signs the equation becomes :
42 ÷ 6 x 7 + 13 - 28 ( Using BODMAS)
7 x 7 + 13 - 28
49 + 13 - 28
62 - 28
34
Hence, 34 is the correct answer.