Question

A library collects dues fo Rs 15000 in the month of may. In the month of june they collect dues of Rs 18000. What is the percentage increases?

Answer 1

16.6 percent
hope it helps

Answer 2

Percentage increase = $\frac{18000-15000}{15000}$×100
                                    = $\frac{3000}{15000}$ ×100
                                    = 20
The percentage increase is 20%.