The ratio of P, Q and R is 3 : 5 : 8 respectively. If their sum is 400, then…
2021
The ratio of P, Q and R is 3 : 5 : 8 respectively. If their sum is 400, then what is the difference between P and R?
- A.
125
- B.
75
- C.
100
- D.
50
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Correct answer: A
Solution: Total number of parts = 3 + 5 + 8 = 16. Sum = 400, so one part = 400 ÷ 16 = 25. P = 3 × 25 = 75.