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Multiple choice

A man drives for 10 hours, the first half distance at 21 kmph and the second half distance at 24 kmph. Find the distance travelled.

  1. 200 km

  2. 222 km

  3. 224 km

  4. 236 km

  5. 248 km

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

Let total distance be 2D. Time = D/21 + D/24 = 10. D(8+7)/168 = 10. D(15/168) = 10. D = 112. Total distance = 2D = 224 km.

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