S.P. = Rs. 1980, Gain = 10%
? C.P. = Rs. (100 / 110) x 1980 = Rs. 1800
C. P. of 10 articles = Rs. 8
S.P. of 10 articles = Rs. (1.25 x 10) = Rs. 12.50
? Gain = (4.5/8) x 100 % = 561/4%
S.P. = Rs. 100, Loss = Rs. 10
? C.P. = S.P. + Loss = Rs. 110
? Loss% = (10/110) x 100% = 91/11%
Let C.P. = Rs. x
? 425 - x = x - 355
? 2 x = 780
? x = 390
Let C.P. of each table = Re. 1
C.P. of 20 tables = Rs. 20
S.P. of 20 table = C.P. of 15 tables = Rs. 15
? loss = (5/20) x 100 % = 25%
S.P. = Rs. 247.50
Gain = 25 / 2%
? C.P. = Rs. {100 / (100 + 25 / 2) x 247.50}
= Rs. (100 x 2 / 225 x 247.50)
= 220
Let the selling price of the article = Rs. 100
? Profit = Rs. 26
? Cost price of the article = 100 - 26 = Rs. 74
? Required % = (34 x 74)/100 = 25.16%
C.P. of 60 kg mix = Rs. (25 x 6 + 35 x 7) = Rs. 395
S.P. of 60 kg mix = Rs. (60 x 6.75) = Rs. 405
Gain = Rs. (405 - 395) = Rs. 10
Suppose he sells x oranges
Then, C.P.of x oranges = Rs. 2x/3
S.P. of x oranges = Rs. x
Profit on x oranges = Rs. (x - 2x/3) = Rs. x/3
? x/3 = 10 ? x = 30
2 x + y = 7000 ....(i)
x + 2y = 4250 .....(ii)
Solving (i) and (ii) we get,
x = 3250
? Cost of T.V. set is Rs. 3250.
Let C.P.be Rs. x then, x - 270 = 10% of x = x / 10
? x = 300
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