If the price of a TV is first decreased by 20% and then increased by 55%, then the net change in the price will be :  Choose the correct choice from the following choices:
A) 4% increase
B) 24% increase
C) 10% decrease
D) 6% increase
E) None of these
Explanation :   Solution: let the original price be Rs. 100.   New final price = 155% of(80% of 100) =Rs. 155/100 * 80/100 * 100 = Rs. 124.   .'. Increase = 24%   Answer : 24% increase
<result>B</result>
If the price of a TV is first decreased by 20% and then increased by 55%, then the net change in the price will be :