SSC CGL – Combined Graduate Level Examination · प्रश्न 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?
उत्तर देखें और व्याख्या
उत्तर: (B) ₹3,200
व्याख्या
P + Q do 7/15 in 4 days, so R does 8/15: ₹3,200.