A) 10% decrease
B) 5% decrease
C) No change
D) 5% increase
Correct Answer: A
Solution :
Here, \[{{r}_{1}}=25%\] and \[{{r}_{2}}=20%\] \[\therefore \] Net change \[=\left( {{r}_{1}}+{{r}_{2}}+\frac{{{r}_{1}}{{r}_{2}}}{100} \right)%\] \[=\left( -25+20+\frac{25\times 20}{100} \right)%\] \[=(-\,5-5)%\] \[=-\,10%\] \[\therefore \] Change in the price of the book is 10% decrease.You need to login to perform this action.
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