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Aptitude miscellaneous
  1. A tree increases annually by
    1
    		th of its height. By how much will it
    8
    increase after 2 years, if it stands today 64 cm high?
    1. 72 cm
    2. 74 cm
    3. 75 cm
    4. 81 cm
Correct Option: D

According to question ,

Height of tree after 1 year = 64 + 64 ×
1
 = 72 cm
8

Height of tree after 2 years = 72 + 72 ×
1
8

Height of tree after 2 years = 72 + 9 = 81 cm


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