QUADRATIC EQUATION FOR IBPS CLERK PRE

Directions (Q. 1 – 10): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer

1. if x > y
2. if x ≥ y
3. if x < y
4. if x ≤ y
5. if x = y or relationship between x and y cannot be established

Q1.

• I. 4 x + 7 y = 42
• II. 3 x – 11 y = –1

Q2.

• I. 9 x² – 29 x + 22 = 0
• II. y² – 7 y + 12 = 0

Q3. 

• I. 3 x² – 4 x – 32 = 0
• II. 2 y² – 17 y + 36 = 0

Q4. 

• I. 3 x² – 19 x – 14 = 0
• II. 2 y² + 5 y + 3 = 0

Q5. 

• I. x² + 14 x + 49 = 0
• II. y² + 9 y = 0

Q6. 

• I. 7 x² – 9 x + 2 = 0
• II. y² – 4 y + 3 = 0

Q7. 

• I. x² = 64
• II. 2 y² + 25 y + 72 = 0

Q8. 

• I. x² + x – 20 = 0
• II. 2 y² – 19 y + 45 = 0

Q9. 

• I. 7 x + 3 y = 26
• II. 2 x + 17 y = – 41

Q10. 

• I.3 x² – 20 x + 33 = 0
• II. 2 y² – 11 y + 15 = 0

Answers:

1. 1 
2. 3 
3. 4 
4. 1 
5. 5 
6. 4 
7. 5 
8. 3 
9. 1 
10. 2