Question

The height of a particular tree is increasing at the rate of 10 cm per month . What would be the height of the tree after 5 years if its present height is 10m ? (Assuming the growth of tree is uniform)

a) 16m
b) 40 m
c) 20 m
d) 60

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Answer 1

Answer:

Growth of the tree per month is 10 cm

Present height is 10 m

after five years?

= 1 year is 12 months

do here as we all know 1 m =100 cm

So, the height increases 12 cm per year.

So, its height will increases by 120 cm.

Final height of the tree is 5X1.2= 6 m

Height of the tree after 1 year is 6 m

Height of the tree after five years will be-

10+6= 16 m

OR

1,600 cm

So here the final answer is 16 m or 1,600 cm.

Answer 2

The answer is 16 m.

$10cm \: pen \: month = 120cm \: per \: year \\ after \: five \: years \ \: \\ increase \: in \: height \: = \: 120 \times 5 \\ = 600 cm \\ = \ 6cm \\ total \: height \: after \: 5years \\ =10m + 6m \\ = 16m$

Hope it is helpful for you!!