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The ratio between the speeds of two trai...

The ratio between the speeds of two trains is 5:7. If the first train covers 300 km in 3 hours, then the speed (in km/h) of the Second train is :
दो ट्रेनों की चाल 5 : 7 के अनुपात में है | यदि पहली ट्रेन 300 किमी की दूरी 3 घंटे में तय करती है, तो पहली ट्रेन की चाल ( किमी/घंटा में ) कितनी है?

A

a) 150

B

b) 140

C

c) 100

D

d) 120

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