when 2011,2012,2013 is sum amount .when its increased by 20% what is 2013 salary
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Approximately salary of 2011is 100
100×20÷100
=20₹
In 2012 we take 20₹
20×20÷100
=24₹
In 2013 we take salary is 24₹
24×20÷100
4.8 was the salary of 2013
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