What is 10% of 20% of 30% of 40% of 25000?
40% of 25000 = 0.40 x 25000 = 10000
30% of 10000 = 0.30 x 10000 = 3000
20% of 3000 = 0.20 x 3000 = 600
10% of 600 = 0.10 x 600 = 60
More simply, just do this: 0.10 x 0.20 x 0.30 x 0.40 x 25000 = 60
