A shopkeeper offers a discount of 25% on a T.V and sells it for Rs.8400. What is the cost price of the T.V?

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8570

11200

90400

8960

answer is B.

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Detailed Solution

Concept- This question assumes that one variable is the cost of the TV, uses the concept that the discount is independent of the cost, and uses the concept that the selling price is the difference between the cost and the discount. The cost to be achieved is the solution to the problem.
Let the cost of the TV be x Rs.
It is now known that store owners offer a 25% discount on TV and sell it on Rs. 8400.
Therefore, create a linear equation according to the information given.
Therefore, the cost of the TV minus 25% of the cost of the TV is 8400.

By simplifying the above equation we have,
Question Image

Hence, the correct answer is option 2) Rs.11200

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