Question

The distance between you and your friend's house is 9km. You have to attend your friend's birthday party at 7o' clock. You started from your house at 6 o'clock on your bicycle and covered a distance of 6km in 40 minutes. At that point, you met another friend and you spoke to him for 5 minutes. With what speed you should cove the second part of the journey so as to reach there on time?
Please answer as fast as you can with working & Formula
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Answer 1

Answer:

3/19.8 = 0.15 km/h

Explanation:

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Answer 2

Answer:

The speed to cover the second part = 5 minutes/km

Explanation:

Time taken for 6km =40 minutes

Therefore time taken for 1 km = 40/6=6.7 minutes

Time taken to talk to his friend = 5 minutes

Remaining time left = 15 minutes

Therefore to reach on time for the remaining 3 kms= 15/3=5 minutes