If the price of a TV is first decreased by 20% and then increased by 50%, then the net change in the price will be :
Options:
A) 20% 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 = 150% of(80% of 100) =Rs. 150/100 * 80/100 * 100 = Rs. 120.   .'. Increase = 20%   20% increasenswer : 20% increase
<result>A</result>
If the price of a TV is first decreased by 20% and then increased by 50%, then the net change in the price will be :