If ‘P’ stands for ‘×’, ‘Q’ stands for ‘÷’, ‘R’ stands for ‘−’ and ‘S’ stands for ‘+’, then the resultant of which of the following would be 57?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. (160 Q 10) S (30 P 2) R (16 P 4) S 45.
Option 2) (160 Q 10) S (30 P 2) R (16 P 4) S 45
On replacing the letters:
(160 ÷ 10) + (30× 2) - (16 × 4) + 45
16 + 60 - 64 + 45
121 - 64 = 57