If in 2007 and in 2009 a worker received 10% more in salary each year then he received in previous year what is the rate of increase in his salary in 2009 compared to 2007?
Solution
Correct Answer: Option E
salary in 2007= 100 taka salary in 2008 = 100+ (100 X 10/100)=110 taka salaary in 2009 = 100+(110 X 10/100) = 121 so , salary increased(121-100) =21 taka
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