**November Maths Puzzle - 24 November**

The Puzzle: 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?

**For Solution :**Click Here

Only 1km; as after 1hr the difference bw the girl and the boy is 1km.simple.

ReplyDeleteSince the dog run @10kmph,it would travel 10km (5 rounds each round 2 km)

ReplyDeleteIt should be 10KM.

ReplyDeleteDog will run 10 km in 1 hour

ReplyDelete10 Km in 1 hour.

ReplyDeleteyes 10km/h

ReplyDelete10km for sure

ReplyDeleteCan any one plz explain how it is 10km

ReplyDeleteEasy. 10km/h.

DeleteBut it travel twice for each 1km so it travel only 5km

DeleteWait the dog speed is constant but those people speed is constant or not???

DeleteThis comment has been removed by the author.

Deletethe answer is 2km....

ReplyDeletethe distance between them is 1km and dog has to move to and fro so it should travel 2km.

The question is how far from the starting point, the dog can't move more far than the fastet people, only 6 Km

ReplyDeleteof course its 10km per hour

ReplyDeleteThe dog is running a constant speed of 10km an hour, it doesn't matter where he is running its going to cover 10kms.

ReplyDeleteThe distance travelled by dog in one hour is obviously 10km.

ReplyDeleteBut the question here is how far the dog travels from the starting point after 1 hour.

After 1 hour the boy is 5 km away from the starting point and the girl is 6km away.

the dog is in between them.

this problem is not as easy as its rated!

10km. Because the dog's speed is 10 km/h.

ReplyDeleteWhere the boy and girl are has no effect on answering this puzzle.

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The question states "How far does the dog travel", not "where is the dog after one hour".

ReplyDeleteTotal distance = speed * time = 10km/h * 1h = 10km.

i think 5km from the starting point

ReplyDeleteThe dog does not slow down on the turn.TURN 0 km

ReplyDelete