SSC CGL – Combined Graduate Level Examination · ప్రశ్న 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?
సమాధానం చూపించు & వివరణ
సమాధానం: (B) ₹3,200
వివరణ
P + Q do 7/15 in 4 days, so R does 8/15: ₹3,200.