DSSSB · Mathematics

The speed of a boat downstream is 35 km/h, and the speed of the current is 7 km/h. Find the total time taken by the boat to cover 105 km upstream and 105 km downstream.

  1. 7 hours 54 minutes
  2. 8 hours
  3. 6 hours 38 minutes
  4. 6 hours
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