If a shopkeeper sells a TV at profit and a DVD at loss then he earns Rs. 540 as total profit but if he sells the TV at a loss at loss and the DVD at profit then there is no profit or loss. Find the cost price of the and the ? - Sri Chaitanya Infinity Learn Best Online Courses for NCERT Solutions, CBSE, ICSE, JEE, NEET, Olympiad and Class 6 to 12

A
7000 and 5000
B
8000 and 8000
C
9000 and 8000
D
10000 and 8000

Solution:

Concept- Profit and loss percentage refers to the quantity of profit or loss that has been incurred in percentage terms.
Consider the cost price of TV as T and the cost price of DVD as D.
As per the question,

And

When solving, we get

and

So, the cost price of the TV and the DVD are 10000 and 8000 respectively.
Hence, the correct answer is option 4.

Solution:

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