Naresh's monthly income is reduced by 15%. By what percentage his monthly income must be increased so that it is again equal to his original monthly income?

14.60% 15.60% 17.60% 19.60%

17.60%

Let the monthly income be 100 After reduction of 15% = 85 Increase = 100 - 85 = 15 Percentage increase = \(\frac{15 }{85 }\) x 100 = 17.6%