A trader purchased two colour televisions for a total of Rs. 35000. He sold one

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A trader purchased two colour televisions for a total of Rs. 35000. He sold one colour television at 30% profit and the other 40% profit. Find the difference in the cost prices of the two televisions if he made an overall profit of 32%?

Answer: Option A

Let the cost prices of the colour television sold at 30% profit and 40% profit be Rs. x and Rs. (35000 - x) respectively.Total selling price of televisions = x + 30/100 x + (35000 - x) + 40/100 (35000 - x)=> 130/100 x + 140/100 (35000 - x) = 35000 + 32/100 (35000)x = 2800035000 - x = 7000
Difference in the cost prices of televisions = Rs. 21000

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