Staff Selection Commission Quantitative Aptitude — Question 266

Question

A man covers 150 km in 3 hours partly by car at 60 km/h and partly by bike at 40 km/h. Distance covered by car?

1. 90 km
2. 75 km
3. 60 km
4. 45 km

Correct answer

B — 75 km

Explanation (English)

Let car distance = x. x/60 + (150-x)/40 = 3. Solving: x = 75 km

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