The monthly salary of a school teacher in 2007 was 12,000 it was in increased by 10% in 2008 and again by $10 %$ in $2009.$ . What is his salary in 2009?

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Solution

Given $: -$
Salary of teacher in $2007 = R s .12000$
$10 %$ of the salary is increased every year
then $,$
salary of teacher in $2008 = 10 % o f R s .12000 + R s .12000$
$= 1200 + 12000$
$= R s .13200$
therefore $,$
salary of teacher in $2009 = 10 % o f R s .13200 + R s .132000$
$= 1320 + 13200$
$= R s .14520$

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The monthly salary of a school teacher in 2007 was 12,000 it was in increased by 10% in 2008 and again by 10% in 2009.. What is his salary in 2009?

Given:−Salary of teacher in 2007=Rs.1200010% of the salary is increased every yearthen,salary of teacher in 2008=10%ofRs.12000+Rs.12000=1200+12000=Rs.13200therefore,salary of teacher in 2009=10%ofRs.13200+Rs.132000 =1320+13200=Rs.14520

The monthly salary of a school teacher in 2007 was 12,000 it was in increased by 10% in 2008 and again by $10 %$ in $2009.$ . What is his salary in 2009?