The music of Uttar Pradesh was greatly developed during

I. 2x² – 5x – 63 = 0

II. 2y² – 7y – 72 = 0

I. 18p²- 21p + 6 = 0      

II. 16q² - 24q +9 = 0

I. 15/(√x)+9/(√x)=11√x

II. (√y)/4 + (5√y)/12 = 1/(√y)

I. 6p² – 7p = 5p – 7p² + 25

II. 11q² – 63q + 90 = 0

In each of these questions, two equations (I) and (II) are given.You have to solve both the equations and give answer   

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

Equation 1: 37x² - 172x + 135 = 0

I. 20y² - 13y + 2 = 0

II. 6x² - 25x + 14 = 0

Quantity I: The cash price of a notebook is Rs. 100 but is can also be purchased on 11 monthly equal instalments of Rs. 10 each. Find rate of S.I.?

I. 2y² - 37y + 143 = 0

II. 2x² + 15x – 143 = 0

I. x² + (9x/2) + (7/2) = - (3/2)

II. y² + 16y + 63 = 0