Answers

2016-04-12T06:10:27+05:30
Total distance climbed = 3 - 1.5 = 1.5 m in 5 minutes
Total distance to be climbed = 30 m
Total time = 30/1.5 × 5 = 20 × 5 = 100 minutes
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2016-04-12T12:54:58+05:30
In 5 minutes he climbed = 1.5 m
In 10 minutes he climbed = 3 m
In 15 minutes he climbed = 4.5 m
In 20 minutes he climbed = 6 m
In 25 minutes he climbed = 7.5 m
In 30 minutes he climbed = 9 m
In 60 minutes he climbed = 18 m
In 90 minutes he climbed = 27 m
the next 5 minutes he reached the top by climbing 3 metre . so he wont slip back.
In 95 minutes he climbed = 30 m

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