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Solving the following mathematical problems:

A man's salary in 2014 was 20 thousand Taka per month and it is increased by 10% each year. Find how much he earned in the years 2015 to 2017 inclusive. (Series)

dsuc.created: 2 years ago | dsuc.updated: 2 years ago
dsuc.updated: 2 years ago

His salary in 2014 was 20,000 Tk. per month.

 His salary in 2015 was = 20000 + 20000×10100= 22,000 Tk. per month
100
His total income in 2015 was = 22,000×12 =2,64,000  Tk.

 Again, his salary in 2016 was = 22000+22000×10 100= 24,200  Tk.  per month 

His total income in 2016 was = 24,200×12= 2,90,400 Tk. 

And, his salary in 2017 was = 24200+ 24200×10100= 26,620  Tk. per month 

His total income in 2017 was = 26,620×12 = 3,19,440 Tk. 

His total income from 2015 to 2017 was = 2,64,000+2,90,400+3,19,440=8,73,840 Tk.

1 year ago

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