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=‌‌
1
SRP
:‌‌
1
SRV
:‌‌
1
SRR
) t → Time, S → Speed AB = 2 x 18= 36 km Distance from Barelley = ‌‌