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I). p² - 20p + 51 = 0,

II). 2q² - 7q + 6 = 0

I. √(17x) + √51 = 0   

II. √(4y) + 3 = 0

What is the average salary of 10 officers , if a clerk’s salary is Rs. 15,000?

I. 10x² - 11x + 3 = 0

II. 42y² - 23y – 10 = 0

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

Equation 1: x² - 36x + 288 = 0

Equation 2: y² - 36y + 320 = 0

I. x² – 36 = 0

II. y² - 7y + 6 = 0

I. x² – 9x + 18 = 0

II. y² – 5y + 6 = 0

I. x² – 39x + 360 = 0

II. y² – 36y + 315 = 0

A and B are the roots of equation x² - 13x + k = 0. If A - B = 5, what is the value of k?

I. 6x² - 13 x + 6 = 0

II. 15 y² + 11 y - 12 = 0