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ATQ,
Selling price of the watch = 600 × 0.9 × 0.8 = Rs. 432
Cost price of the watch = 432 – 36 = Rs. 396
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...
If α, β are the roots of the equation x² – px + q = 0, then the value of α2+β2+2αβ is
...I. x² + 3x – 154 = 0
II. y² + 5y – 126 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 3x2 + 6√7x - 315 = 0
E...
I. 2x² - 12x + 16 = 0
II. 4y² - 8y - 12 = 0
I. x² - 19x + 84 = 0
II. y² - 25y + 156 = 0
I. x² - 33x + 270 = 0
II. y² - 41y + 414 = 0
I. 4x² - 15x + 9 = 0
II. 20y² - 23y + 6 = 0
I. x2 + 25x + 154 = 0
II. y2 + 27y + 181 = 0
I. 4 x ² - 4 x + 1 = 0
II. 4 y ² + 4 y + 1 = 0
...