Multiple choice general knowledge sports

A girl, a boy, and a dog start walking down a road.They start at the same time, from the same point, in the same direction.The boy walks at 5 km/h, the girl at 6 km/h. The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.How far does the dog travel in 1 hour?

  1. 10 Kms

  2. 9 Kms

  3. 9.6 Kms

  4. 10.5 Kms
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A Correct answer
Explanation

The dog runs at a constant speed of 10 km/h regardless of direction changes. In 1 hour, it will travel distance = speed × time = 10 km/h × 1 h = 10 km. The boy and girl's walking speeds are irrelevant to the dog's total distance.

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