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Rashed is driving at a speed of 120 km per hour Mahi started one hour late and started driving at a speed of 140 km per hour. How long will it take for Mahi to catch up Rashed? (work & time)

dsuc.created: 2 years ago | dsuc.updated: 2 years ago
dsuc.updated: 2 years ago

When Mahi starts, Rashed =120 × 1  = 120 km away from him

Relative speed of Mahi over Rashed = (140-120) kmph = 20 kmph 

Required time to catch up Rashed = 12020=6 hr. ans 

1 year ago

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