SSC CGL – Combined Graduate Level Examination · வினா 62

P completes a job in 15 days, Q in 20 days. P and Q agree to do it for ₹6,000. With R they finish in 4 days. What is R's payment?

1. A₹1,800
2. B₹3,200
3. C₹2,400
4. D₹2,800