What is the full form of OCR?

I. 7x² + 52x + 21 = 0

II. 6y² + 7y - 24 = 0

Solve the quadratic equations and determine the relation between x and y:

Equation 1: x² - 54x + 704 = 0

Equation 2: y² - 44y + 448 = 0

One of the roots of the equation p² - (y+3)p + 6y = 0 is cube of 2. What will be the difference of other root and 'y'.

I. 2y² - 11 y + 15 = 0

II. 2x² + 3x – 14 = 0

I. 63x²+ 148x + 77 = 0

II. 21y²+ 89y + 88 = 0

I. 49y²+ 35y + 6 = 0

II. 12x²+ 17 x + 6 = 0

I. 8x² + 2x – 3 = 0

II. 6y² + 11y + 4 = 0

Solve the quadratic equations and determine the relation between x and y:

Equation 1: x² - 24x + 143 = 0

Equation 2: y² - 26y + 165 = 0

I. y/16 = 4/y

II. x³= (2 ÷ 50) × (2500 ÷ 50) × 4²× (192 ÷ 12)

I. 104x² + 9x - 35 = 0

II. 72y² - 85y + 25 = 0