Q. The number of trees in a town is 17640. If the numbers of trees increases annually at the rate of 5%, then how many trees were there 2 years ago? - Study24x7
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Q. The number of trees in a town is 17640. If the numbers of trees increases annually at the rate of 5%, then how many trees were there 2 years ago?

A

14000

B

15000

C

16000

D

19450

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  • TABISH ANWAR
    • Number of trees last year=17640-[17640 x 5/105] =17640 - 840 = 16800 Trees Number of trees last of last year = 16800-[16800 x 5/105] =16800-800 =16000 Trees Hence Number of trees two years ago is 16000. Trick used-Add the given percentage in 100 as i have taken percentage as 105 because the given percentage was 5%.

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    Reply 26 Aug 2022 12:23 AM
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