Q:

Travelling at 80km/hr, Praveen reaches his destination at a certain time. He covers 3/5th of his journey in 2/5th at the time. At what speed (in km/hr) should he travel to cover the remaining journey, so as to reach his destination on time? 

• 1
  170/3
• 2
  140/3
• 3
  150/3
• 4
  160/3