Multiple choice general knowledge math & puzzles

A is driving on a highway when the police fines him for over speeding and exceeding the limit by 10 km/hr. At the same time B is fined for over speeding by twice the amount by which A exceeded the limit. If he was driving at 35 km/hr what is the speed limit for the road?

  1. 20

  2. 12

  3. 30

  4. 15

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

Let limit be L. A's speed = L + 10. B's speed = L + 20. Given B's speed is 35 km/hr, L + 20 = 35, so L = 15 km/hr.