A) Rs. 390000
B) Rs. 40000
C) Rs. 45000
D) Rs. 52000
E) None of these
Correct Answer: B
Solution :
Let the CP of the headphone be Rs. x. \[\therefore \] CP of the smartphone = 10 x \[\therefore \] Total SP = \[11x\times \frac{120}{100}=13.2x\] SP of the smartphone \[=10x\times \frac{115}{100}=11.5x\] SP of the headphone \[=13.2x-11.5x=1.7x\] So, profit on the headphone \[=1.7x-x=0.7x\] According to the question, \[0.7x=2800\] \[\therefore x=4000\] So, the cost price of the smartphone\[=10x\] \[=10\times 4000=Rs.\,40000\]You need to login to perform this action.
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