New Free Workshop on RBI Grade B Descriptive Answer Writing - Join Us!
Register

Question

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

I. 3p² - 14p + 15 = 0

II. 15q²  - 34q + 15 = 0

A p =q or relationship cannot be established between p and q. Correct Answer Incorrect Answer
B p > q Correct Answer Incorrect Answer
C p < q Correct Answer Incorrect Answer
D p ≥ q Correct Answer Incorrect Answer

Solution

I. 3p² - 14p + 15 = 0 3p²  - 9p  - 5p + 15 = 0 ⟹3 p(p - 3)  - 5(p  - 3) = 0      ⟹ (p  - 3) (3p  - 5)= 0 ⟹ p = 3,    5/3 II. 15q²  - 34q + 15 = 0 ⟹15q²  25q  - 9q + 15 =0 ⟹5q(3q  - 5) - 3(3q - 5)= 0 ⟹ (3q  - 5) (5q - 3)= 0 ⟹ q =  5/3 ,  3/5 ∴p≥q

Practice Next

Relevant for Exams:

×
×