A) 72cm
B) 74cm
C) 75cm
D) 81 cm
Correct Answer: D
Solution :
Height of tree after 1 year \[=64+64\text{ }\times \text{ }\frac{1}{8}=72\]cm Height of tree after 2 years \[=72+72\times \frac{1}{8}=72+9=\text{ }81\]cmYou need to login to perform this action.
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