Multiple choice general knowledge math & puzzles

If 5 tires were used in a car which has travelled 20000 miles how many miles did each tire sustain. If all the tyres were used equally in sustaining the mileage?

  1. 16000

  2. 20000

  3. 18000

  4. 15000

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

A car with 4 wheels traveling 20,000 miles generates 80,000 'tire-miles' of wear. If this wear is distributed equally across 5 tires, each tire sustains 80,000 / 5 = 16,000 miles. 20,000 is incorrect as it assumes no rotation.