Multiple choice general knowledge math & puzzles

Two people on cycle are traveling at 10 miles/hour in opposite direction. When they are at a distance of 50 miles, a housefly lands on the first cyclist and then flies to the other at a speed of 16 miles/hour. What is the distance covered by fly?

  1. 123.33

  2. 133.33

  3. 82.33

  4. 92.33

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

Cyclists approach each other at 20 miles/hour combined (10+10). Time to meet = 50/20 = 2.5 hours. In that time, the fly travels 16 * 2.5 = 40 miles, shuttling back and forth continuously.