Two cars are running along the same road. The first one, which is running at the rate of 30 km/h, starts 6 hours ahead of the second one, which is running at the rate of 50 km/h. How long will it take the second car to catch up with the first one?

 

Two cars are running along the same road. The first one, which is running at the rate of 30 km/h, starts 6 hours ahead of the second one, which is running at the rate of 50 km/h. How long will it take the second car to catch up with the first one? 

एक ही सड़क के साथ दो कारें चल रही हैं। पहला, जो 30 किमी / घंटा की दर से चल रहा है, दूसरे से 6 घंटे पहले शुरू होता है, जो 50 किमी / घंटा की दर से चल रहा है। पहली कार को पकड़ने में दूसरी कार कितनी देर तक ले जाएगी?

 

(a) 6 hrs                                (b) 9 hrs

(c) 12 hrs                             (d) 15 hrs 

 

 

 

 

 

 

 

 

 

 

 

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Two cars are running along the same road. The first one, which is running at the rate of 30 km/h, starts 6 hours ahead of the second one, which is running at the rate of 50 km/h. How long will it take the second car to catch up with the first one?