CAT 2017 Quantitative Ability

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 = ‌‌

60

(60+18)

×36=‌‌

360

13

=27‌‌

9

13

km