Let A be apple and O be oranges.
12A + 15O = 660
15A + 21O = 870
Solving them we get
60A + 75O = 3300
60A + 84O = 3480
So we get, 9O = 180, O = Rs. 20
Put in the first equation
12A + 300 = 660
12A = 660 – 300 = 360
A = Rs. 30
English
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60 Mins English English25 Questions50 Marks15 Mins English English100 Questions200 Marks60 Mins EnglishThe average price of three items of furniture is ₹15,990. If their prices are in the ratio 3 : 5 : 7, the price of the cheapest item (in ₹) is:
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