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If the price of a book is first decreased by 25% and then increased by 20%, then the net charges in the price will be :
Answer & Solution
Correct Answer:
Option
D
Let the original price be Rs. 100
New final price :
= 120% of (75% of Rs. 100)
= Rs. $$\left( {\frac{{120}}{{100}} \times \frac{{75}}{{100}} \times 100} \right)$$
= Rs. 90
∴ Decrease = 10%
New final price :
= 120% of (75% of Rs. 100)
= Rs. $$\left( {\frac{{120}}{{100}} \times \frac{{75}}{{100}} \times 100} \right)$$
= Rs. 90
∴ Decrease = 10%
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