Speed of Raghupati (Rp​) = 60km/h Speed of Raghav (Rv​) = 36km/h Speed of Raja Ram (RR) = 18km/h
Time taken to cover AB by (RR) is 2 hours ∴ Time taken to cover AB by Raghav is 1 hour ∴ Time taken to cover AB by Raghupati = 36min (tRP​:tRv​:tRR​=SRP​1​:SRV​1​:SRR​1​) t → Time, S → Speed AB = 2 x 18= 36 km Distance from Barelley = 60+1860​×36=13360​=27139​km