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IBPS PO Prelims 2016 - Quantitative Aptitude

IBPS PO Prelims 2016 - Quantitative Aptitude - Important Points

11.

Directions (11-15): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer
(a) if x > y (b) if x >=y
(c) if x < y (d) if x <=y
(e) if x = y or relationship between x and y cannot be established.
I. 3x^2 - 22x + 7 = 0
II. y^2 - 15y +56 = 0

A. if x > y

B. if x >=y

C. if x < y

D. if x <=y

E. if x = y or relationship between x and y cannot be established.

Discuss Work Space

Answer: option d

Explanation:

x = 21/3, 1/3 and y = 8, 7

12.

I. 2x^2 - 17x + 36 = 0
II. 2y^2 - 19y + 44 = 0

A. if x > y

B. if x >=y

C. if x < y

D. if x <=y

E. if x = y or relationship between x and y cannot be established.

Discuss Work Space

Answer: option e

Explanation:

x = 9/2, 8/2 and y = 11/2, 8/2
13.

I. x - Sqrt(169) = 0
II. y^2 - 169 = 0

A. if x > y

B. if x >=y

C. if x < y

D. if x <=y

E. if x = y or relationship between x and y cannot be established.

Discuss Work Space

Answer: option b

Explanation:

x = 13, y = +-13
14.

I. 3x^2 - 20x + 25 = 0
II. 3y^2 + 14y + 8 = 0

A. if x > y

B. if x >=y

C. if x < y

D. if x <=y

E. if x = y or relationship between x and y cannot be established.

Discuss Work Space

Answer: option e

Explanation:

x = -15/3, -5/3 and y = -12/3, -2/3
15.

I. 3x^2 + 5x + 2 = 0
II. 3y^2 + 18y + 24 = 0

A. if x > y

B. if x >=y

C. if x < y

D. if x <=y

E. if x = y or relationship between x and y cannot be established.

Discuss Work Space

Answer: option a

Explanation:

x = -1, -2/3 and y = -4, -2
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