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A race consists of three stretches $A, B$ and $C$ of $2$kms length each. The mode of coverage, and maximum and minimum of speeds possible in each stretch are:

Stretch Mode Minimum Speed (Km/h) Maximum Speed (Km/h)
A Car 40 60
B Motorcycle 30 50
C Bicycle 10 20

Speed in a given stretch remains constant. The previous record was ten minutes to complete the race.

Mr. Hare travelled at the slowest speed in stretch $A$ and took the same amount of time to travel in stretch $B$ as he took in stretch $A$. If he took fifty percent more time than the previous record to complete the race, what was his speed in the stretch $C$?

  1. $10$ kmph
  2. $15$ km/h
  3. $20$ kmph
  4. None of these

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