ATQ, Total distance covered by bike in five hours = 240 × 5 = 1,200 km Required speed of the bike = {(1200 × 60)/80} = 900 km/h
I. 12 x ² - 3 x – 15 = 0
II. 2 y² + ...
I. x2– 9x + 18 = 0
II. y2– 5y + 6 = 0
Quantity I: A vessel contains a mixture of milk and water in the ratio of 7 : 5. If 9 litre of mixture is sold and replaced by same amount of water then...
I. 24x² - 58x + 23 = 0
II. 20y² + 24y – 65 = 0
I. x2 + 11x + 30 = 0
II. y2 + 17y + 72 = 0
I. 2x2 - 9 x + 9 = 0
II. 2y2 - 7 y + 3 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 26x + 168 = 0
Equation 2: y² - 23y + 132 = 0
I. 6y2 – 23y + 20 = 0
II. 4x2 – 24 x + 35 = 0
I. 5x2 – 7x – 6 =0
II. 2y2 – 5y – 7 =0
I. 3x² - 22x + 40 = 0
II. 2y² - 19y + 44 = 0
