Multiple choice

A cycle covers a certain distance in 2 hours and 30 minutes by covering two-thirds of the distance at 8 kmph and the rest at 9 kmph. Find the total distance.

  1. 20.77 km

  2. 20.83 km

  3. 21.25 km

  4. 42.5 km

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let the total distance be x. Then (2 * x/3)/8 + (x/3)/9 = 2.5 x/12 + x/27 = 2.5 13 * x/108 = 2.5 x = 270/13 = 20.77