Q1) The profit gained on selling a LCD TV is Rs 2000 per TV and the loss incurred on selling an old flat TV is rupees 1000 per TV. In a particular month the shopkeeper gained a net profit of Rs 9000. In this period he sold 6 LCD TVs. How many old flat TVs did he sell In this period?
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NET PROFIT =Rs 9000
HE SOLD 6 LCD TVs AND GAINED=6*2000
=Rs 12000
AMOUNT TO BE LOST TO GET 9000 = 12000-9000
=3000
THEREFORE HE MUST SELL 3 OLD FLAT TVs TO GAIN NET PROFIT OF Rs 9000
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