a boy leaves his house at 9:30 a.m. for the school the school is 2 kilometre away and the classes starts at 10:00 a.m. if he walks at the speed of 3 kilometre per hour for the first kilometre at what speed should he walk second kilometre to reach just in time
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for 1st KM/H he takes time to reach there 20 minutes .
for 2nd KM/H he walks as the speed by 6 KM/ , then he reach there in 10 minutes.
he takes total 30 min for reach there....
i think this is helpful for u....
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Answer:
3.4 KM/H
Explanation:
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