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Let the selling price of each lighter be Rs. 'x' and selling price of each candle be Rs. 'y'. ATQ; 2y + x = 70 Or, x = 70 - 2y ...... (I) And, 2x + y = 95 ...... (II) Using equation (I) and (II), we have; 2 X (70 - 2y) + y = 95 Or, 140 - 4y + y = 95 Or, 45 = 3y So, y = 15 So, 2 X 15 + x = 70 So, x = 40 So, selling price of each lighter = Rs. 40 So, cost price of each lighter = 40 ÷ 1.25 = Rs. 32
132, 130, 136, 126, 142, 110
15, 30, 30, 20, 10, 8
74, 79, 86.5, 101.5, 109, 124, 141.5
In each of the following giving number series, a wrong number is given. Find out the wrong number?
3023, 3132, 3246, 3356, 3471
72, 36, 54, 135, 470.5, 2126.25
Find the wrong number in given number series.
1960, 1943, 1930, 1915, 1904, 1895
225, 45, 450, 90, 900, 150, 1800
132, 130, 136, 126, 142, 110
13, 24, 69, 272, 1355, 8248
Find the wrong term in the given series below.
159, 160, 81, 244, 62, 318