Submitted by examrobotsa on Thu, 01/01/1970 - 05:30 A person buys an item from a shop for which the shopkeeper offers a discount of 10% on the marked price. The person pays using an e-wallet which gives 10% cash back. Which one of the following is the value of effective discount?20%18%19%21%question_subject: Logic/Reasoningquestion_exam: CAPF