# GMAT Techniques: How to eliminate wrong answers on GMAT Problem Solving | Kaplan Test Prep - Videos

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Finding the right answer to a GMAT problem is hard enough, but the GMAT makers include trap wrong answers as well. This how-to video will show you tricks for eliminating wrong answers and finding correct ones on algebra, roman numeral, and percent problems, and how to avoid common traps.

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2. Hello all! i solved the successive discounted problem. Since there is no price given, you will have to enter any value. For example, i took a price of \$200. Then you need to apply the first discount 10% which is 200*0.10 which is = 200-20 = 180; then you need to do same with the second discount but with the new price 180*0.25 which is 180 – 45 = 135. To find total discount now you need to take 135/200 = 0.675 or 67.5! now subtract 100 – 67.5 = 32.5. I hope this helps!﻿