A) 12%
B) 14%
C) 15%
D) 18%
Correct Answer: C
Solution :
Marked price of a watch\[=Rs.\,720\] \[\therefore \] Price after 10% discount\[=\frac{720\times 90}{100}=Rs.\,648\] Let the rate of another discount be r%. \[\therefore \] \[\frac{648\times (100-r)}{100}=550.80\] \[\Rightarrow \] \[100-r=\frac{55080}{648}\] \[\Rightarrow \] \[r=100-85=15%\]You need to login to perform this action.
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