Two cars start 450 km apart and drive towards each other at 70 km/h and 80 km/h. After how many hours do they meet?

  1. 3 h
  2. 45 h
  3. 6 h
  4. 4 h
Answer

A) 3 h

Moving towards each other, speeds add: 70+80 = 150 km/h. Time = 450 div 150 = 3 h.

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