A person is climbing on a vertical pole of height 18m. Starting from the height of 2m of the pole, if he climbs 0.5m in one second, how far will he be after 10s from the base of the pole?
A
5m
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B
7m
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C
2m
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D
8m
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Solution
The correct option is B7m As per the question, person climbs 0.5m in one second. So, in 10s, he will climb 10×0.5=5m up the pole. Since, he starts climbing from the height of 2m, therefore, from the base of the pole he will be at the height of 5+2=7m