Question

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:

Answer 1

first we calculate time till he travelled
which can be found by
more distance he could travelled/speed diff.
= 20/(14-10)
= 20/4
= 5 hrs

Now his actual speed was 10 km/h
Total distance travelled by him
= speed × time
= 10 × 5
= 50 km.

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Answer 2

The actual distance travelled by him is 50 km..
Because
Let the actual distance travelled be x km.
Then,x/10=x /14+ 20
4x = 10x + 200
4x = 200
x = 50 km.