A mango tree of height 125 cm was planted 3 years ago. If it increases at the rate of 20% per annum, what is its present height?
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Answer:
216 cm
Step-by-step explanation:
Mango tree's original height = 125 cm
Height after 1 year = 125 + 20/100 * 125 = 125 + 25 = 150cm
Height after second year = 150 + 20/100 * 150 = 150 + 30 = 180cm
Height after third year = 180 + 20/100 * 180 = 180 + 36 = 216 cm
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