2012 · Q25
The price of an article is Rs. 25. After two successive cuts by the same percentage, the price becomes Rs. 20.25. If each time the cut was x%, then:
Elementary MathematicsArithmetic
- Ax = 9
- Bx = 10
- Cx = 11
- Dx = 11.5
Explanation
25*(1-x/100)^2 = 20.25 gives (1-x/100) = 0.9, so x = 10.