Compound Interest Practice Test 5

Question : 32 of 40

Marks: +1, -0

Find the increase in height of a mango tree in 3 years if its present height is 250 cm and it grows at 20% p.a. compounded annually.

Solution:

Height after 3 years

=120(1+20/100)^3

=250×120/100×120/100×120/100

=433

cm
Increase in height = 432 - 250 = 182 cm

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