A starts 3 hours after B who rides 12 km/hr and overtakes him after 5hrs. At what rate is A is travelling?
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Speed of A = 4km/h
Speed of B = 10km/h
Due to delay of 4 hours , A is 16 Km far from B.
And They move in same direction then Relative speed is 6km/h
Then Time is 16/6 which is 8/3
Then we find distance from B so Distance =speed × time
Distant =8/3 ×10=26.7 km
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