insurence exam NIACL AO (Pre + Mains) Mock Test Series 2024 Quantitative Aptitude Algebra Quadratic Equation
Directions: Solve the quadratic equation given below and answer the following questions.
I. (7x2/2) - bx - 225/2 = 0
II. (4y2/3) - 70y/3 + a = 0
Note:
i) one of the roots of equation (I) is 45/7 and one of the roots of equation (II) is 30/4
ii) If lower root in the equation (I) is considered as P and higher root in equation (II) is considered as Q
Which of the following conditions are true?
1
(b/a + P ) = 10
2
(P - a) = 30
3
(a + b) = 120
4
(P + Q) = 5
5
(b - Q) = 70