Answered Anand leaves his house at 8.30 a.m. for his school. The school is 2 km away and classes start at 9.00 a.m. If he walks at a speed of 3 km/h for the first kilometer, at what speed should he walk the second kilometer to reach just in time?
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Answer:
6 km/h
Step-by-step explanation:
Time taken by him to cover first kilometer
= 60 /3
= 20 minutes
Total time to start classes 9:00 - 8:30 = 0:30 or 30 minutes
time left to start classes = 30- 20 = 10 minutes
Now he need to cover 1 km in 10 minutes
so 60/10 =6 km
so his speed should be 6 km /h
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