This question was previously asked in

DSSSB PRT General Section Official Paper - 11 Nov 2019 Shift 2

- 12 : 5 : 13
- 5 : 3 : 2
- 5 : 12 : 13
- 10 : 3 : 4

Option 3 : 5 : 12 : 13

**P invests 1/6th of the total investment.**

**Q invests 2/5th of the total investment.**

Taking L.C.M = 6, 5

**L.C.M = 30**

Let the** total investment** be **Rs. 30.**

P invests 1/6th of the total investment = 30/6 = Rs. 5

Q invests 2/5th of the total investment = (2/5) × 30 = Rs. 12

Thus R invests = Rs 30 - (Rs. 12 + Rs. 5)

⇒ 30 - 17

⇒ **Rs. 13**

Thus ratio of the profit of P, Q and R respectively is 5 : 12 : 13.

Hence, the correct answer is** "5 : 12 : 13****".**

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