Percentages, Ratio & Commercial Arithmetic
Basic Numeracy & Data Interpretation · PYQ 2020
A shop owner offers the following discount options on an article to a customer:
1.Successive discounts of 10% and 20%, and then pay a service tax of 10%
2.Successive discounts of 20% and 10%, and then pay a service tax of 10%
3.Pay a service tax of 10% first, then successive discounts of 20% and 10%
Which one of the following is correct?