If the price of a TV is first decreased by 20% and then increased by 30%, then the net change in the price will be :  Choices
A) 4% increase
B) 10% increase
C) 10% decrease
D) 6% increase
E) None of these
Explanation :   Solution: let the original price be Rs. 100.   New final price = 130% of(80% of 100) =Rs. 130/100 * 80/100 * 100 = Rs. 104.   .'. Increase = 4%   4% increasenswer : 4% increase
<result>A</result>
If the price of a TV is first decreased by 20% and then increased by 30%, then the net change in the price will be :