Select the option that is related to the fifth number

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

Equation 1: 3x² + 6x - 9 = 0

Equation 2: 2y² - 16y + 32 = 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) 2x² – 12x + 16 = 0

(ii) 2y² – 20y + 48 = 0

If x^2 - 7x + k = 0 has roots that are equal, what is the value of k?

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

Equation 1: 4x² - 12x + 9 = 0

Equation 2: 2y² + 10y + 12 = 0

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

Equation 1: x² - 42x + 392 = 0

Equation 2: y² - 46y + 480 = 0

The nth term of a sequence is n² + 3n + 1. Find the difference between the 20th and 10th terms.

I). 4p + 3q = 25

II). 5p + 2q = 26 

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

I. 5x + y = 37

II. 4y+ x = 15