Question : Yogita sold a plasma TV at a 20% gain to Shyamla, and Shyamla sold it to Deepa at a 10% profit. If Deepa had to pay Rs. 33,000 for the plasma TV, find the cost price of the plasma TV for Yogita.
Option 1: Rs. 30,000
Option 2: Rs. 25,000
Option 3: Rs. 35,000
Option 4: Rs. 40,000
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Correct Answer: Rs. 25,000
Solution :
Let the cost price of the plasma TV for Yogita be Rs. $x$.
According to the question,
$x×\frac{120}{100}×\frac{110}{100}=33000$
⇒ $x=33000×\frac{100}{120}×\frac{100}{110}$
⇒ $x =25000$
Hence, the correct answer is Rs. 25,000.
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