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The growth of a medicinal plant of he...

The growth of a medicinal plant of height 1 metre, is 1 cm/day and it is growing straight vertically upward. A man cuts 6 cm from the top, at a regular interval of every 11 days. It height will be 2 metres after (a) 220 days    (b) 250 days    (c) 275 days    (d) None of these

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