A) 4%
B) 3%
C) 6%
D) None of these
Correct Answer: A
Solution :
List price of the article = Rs 65 Selling price of the article = Rs 56.16 \[\therefore \] Discount =65-56.16= Rs 8. 84 \[\therefore \] Discount per cent \[=\frac{8.84\times 100}{65}=13.6%\] The first discount of the given discount series is 10%. At the second discount of the series be m%. \[\therefore \] Single discount per cent \[=\,\left( m+n-\frac{mn}{100} \right)%\] \[\Rightarrow \] \[136%=\,\left( m+10-\frac{10m}{100} \right)%\] \[\Rightarrow \] \[13.6=m+10-\frac{m}{10}\] \[\Rightarrow \] \[136=100+10m-m\] \[\Rightarrow \] \[9m=36\] \[\therefore \] \[m=4%\]You need to login to perform this action.
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