Two cars start 300 km apart and drive towards each other at 40 km/h and 60 km/h. After how many hours do they meet?

  1. 4 h
  2. 6 h
  3. 3 h
  4. 15 h
Answer

C) 3 h

Moving towards each other, speeds add: 40+60 = 100 km/h. Time = 300 div 100 = 3 h.

Quantitative Reasoning MCQ · More Speed, Time, Work & Ages MCQs · Practise