Q. Six tables and twelve chairs were bought for 7800 Rs. If the average price of a table is 750 Rs. Then what would be the average price of a chair?
Answer: 275 Rs
Notes: Average cost of a chair = x Rs., then, x $latex \times$ 12 + 6 $latex \times$ 750 = 7800 => 12x = 7800 - 4500 = 3300 $latex => x = \frac{3300}{12} = 275\ Rs.&s=1$ Hence option [D] is correct answer.

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