A car covers a distance in $10$ hours, travelling at $40$ km/h for the first $5$ hours and $20$ km/h for the next $5$ hours. The total distance covered is:
Practice this question from Chapter Mock 8: Speed, Time and Distance, with options and an explanation.
Question
A car covers a distance in $10$ hours, travelling at $40$ km/h for the first $5$ hours and $20$ km/h for the next $5$ hours. The total distance covered is:
Option A
250 km
Option B
280 km
Option C — Correct answer
300 km
Correct choice.
Option D
320 km
Explanation
Distance $=40\times5+20\times5=200+100=300$ km.