What will be its Height of Tree? If

A tree increases annually by 1/8th of its height. What will be its height after 2 years, if it stands 64 cm high today?

  1. 72 cm
  2. 74 cm
  3. 81 cm
  4. 85 cm
Desire Adnan Default Asked on 3rd August 2015 in Maths.
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1 Answer(s)

Answer: (3) 81 cm
Explanation:-
The height of a tree = 64 cm
Tree increased annually by 1/8th
Then,  the height of tree after one year = 64 + 64 x 1/8
= 64 + 8
= 72 cm.
The height of tree after two year = 72 + 72 x 1/8′
= 72 + 9
= 81 cm
Hence, the height of tree after two years will be 81 cm.

Anurag Mishra Professor Answered on 3rd August 2015.
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