A man climbs a coconut at a height of 25m. 5 meters in 10 seconds and 4 meters downhill. How long does it take for him to touch the top of the coconut?
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Answer:
210 s
Step-by-step explanation:
He climbs 5m in 10s and falls.
So, we say that he can climb 1m in 10sec.
Therefore , he can climb 20m in 200sec .
But for the next 10 sec before falling he touches the coconut.
So , It takes 210 s .
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