A Washing Machine was sold with two successive discounts of 12% and 20%. If it had been sold with a single discount of 32%, there would have been a loss of Rs.192. Calculate the original cost price of the Washing Machine if it was marked up by Rs.1640 above the cost price.
ATQ, Let, marked price of the article be Rs.'m' So, 0.88 × 0.8 × m - 0.68m = 192 0.704m – 0.68m = 192 0.024m = 192 m = 8000 Cost price of the article = 8000 – 1640 = Rs. 6360
Quantity I: The price of rice is decreased by 30%, by how much % the consumption is increase so that the expenditure will decreased by 10%?
Quant...
I. 4x2+ 25x + 36 =0
II. 2y2+ 5y + 3 = 0
I. 2(x+2)+ 2(-x)=5
II. (1/(y+1)+ 1/(y+5))=(1/(y+2)+ 1/(y+4))
I. 56x² - 99x + 40 = 0
II. 8y² - 30y + 25 = 0
I. 8x² - 74x + 165 = 0
II. 15y² - 38y + 24 = 0
I. 2 x ² + x – 1 = 0
II. 2 y ² - 3 y + 1 = 0
...I. x2 – 18x + 81 = 0
II. y2 – 3y - 28 = 0
I. 144x² - 163x - 65 = 0
II. 91y² - 128y -48 = 0
I. 5x + 2y = 31
II. 3x + 7y = 36
I. 5x + y = 37
II. 4y+ x = 15
