The salary of an officer is increased by 20% . By what percentage should the new salary be reduced to restore the original salary .
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Step-by-step explanation:
let the salary be 100.
100+100×20%=120
120%of x %of 100
6x/5=100
x = 83.33%
restored salary = 100-83.33=16.67%
=16.67 ans.
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