If P denotes ‘+’, R denotes ‘×’, S denotes ‘−’ and T denotes ‘÷’, then what…
2022
If P denotes ‘+’, R denotes ‘×’, S denotes ‘−’ and T denotes ‘÷’, then what will be the value of 5R9P7S9T3P6?
- A.
128
- B.
59
- C.
55
- D.
54
Attempted by 51 students.
Show answer & explanation
Correct answer: C
Translate symbols: R = ×, P = +, S = −, T = ÷.
So the expression becomes: 5 × 9 + 7 − 9 ÷ 3 + 6.
Step 1: Do division first: 9 ÷ 3 = 3. Expression becomes 5 × 9 + 7 − 3 + 6.
Step 2: Do multiplication: 5 × 9 = 45. Expression becomes 45 + 7 − 3 + 6.
Step 3: Evaluate additions and subtractions left to right:
45 + 7 = 52; 52 − 3 = 49; 49 + 6 = 55.
Final answer: 55