All except Purple are colours present in rainbow. The colours of the rainbow are Red, Orange, Yellow, Green, Blue, Indigo and Violet.
I. 6x² + 77x + 121 = 0
II. y² + 9y - 22 = 0
I. x2 + 28x + 96 = 0
II. y2 + 3y - 70 = 0
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0
I. 63x² + 37 x – 40 = 0
II. 15 y² + 29 y + 12 = 0
I. 5x² - 28x + 39 = 0
II. 2y² - 13y + 20 = 0
I. 12 x ² - 3 x – 15 = 0
II. 2 y² + ...
I. 9x2 + 45x + 26 = 0
II. 7y2 – 59y − 36 = 0
I). p2 - 20p + 51 = 0,
II). 2q2 - 7q + 6 = 0
I. 195x² - 46x - 21 = 0
II. 209y² + 7y - 12 = 0
I. x2 - 11x + 24 = 0
II. y² - 5y + 6 = 0
