Increasing the original price of an item by 15 percent and then decreasing the new price by 15 percent is equivalent to increase the orginal price by
A
1.20%
B
1.40%
C
1.50%
D
None of these
Correct Answer: None of these
Net effect = (15 - 15 - 15×15100)% = - 2.25% অর্থাৎ original price কমেছে। অতএব, উত্তর হবে 2.25% None of these ।