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CLAT CLAT Solved Paper-2019

  • question_answer
    A tree grows at the rate of 1/5th of its height annually. By how much height will it grow after 2 yr, if its present height is 75cm?

    A) 108 cm             

    B) 90 cm

    C) 144 cm             

    D) 112 cm

    Correct Answer: A

    Solution :

    Sol.      [a] Present height of tree = 75cm Height of tree after one year \[=\,75\,+75\,\times \,\frac{1}{5}\]                                     = 75 + 15 = 90cm Height of tree after two years \[=\,90\,+\,90\,\times \,\frac{1}{5}\] = 90 + 18 = 108 cm


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