Find a single discount which is equivalent to three successive discounts of 15%, 16% & 20%.
Answer: C
Successive discount is calculated as X+Y-XY/100 %
Successive discount =15+16-15*16/100=31- 240/100=28.6 %
Successive discount =28.6+20-28.6*20/100=48.6-5.72=42.88%