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Quant Quiz on Number Series & Quadratic Equations for IBPS Exams: - 17/8/2017

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Question 1

Directions: In the following questions two equations numbered I and II are given. You have to solve both the equations and give answer:
I. 5x² – 18x + 9 = 0
II. 20y² – 13y + 2 = 0

Question 2

Directions: In the following questions two equations numbered I and II are given. You have to solve both the equations and give answer:

I. x² + 29x = -210
II. Y² + 28y = -195

Question 3

Directions: In the following questions two equations numbered I and II are given. You have to solve both the equations and give answer:

I. 3x² + 17x + 20 = 0
II. 4y² + 9y + 5 = 0

Question 4

Direction: In the following question two equations are given in variables x and y. You have to solve these equations and determine relation between x and y.

I. 2x² + 13x + 21 = 0
II. 2y² + 15y + 28 = 0

Question 5

Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and give answer:

I. 3x² - 13x + 12 = 0
II. 2y² + 17y + 33 = 0

Question 6

Direction: In the following number series, only one number is wrong. Find out the wrong number.

49, 0, 7, –6, –35, –12, –84

Question 7

Direction: Find the wrong term in the given series:

8, –28, 134, –514, 2685.5, –12076.75

Question 8

Direction: In the following number series, only one number is wrong. Find out the wrong number.

4, 9, 38, 145, 725, 2865, 14318

Question 9

Direction: Find the wrong term in the given series.

6, 8, 10, 42, 146, 770, 4578

Question 10

Directions: What should come at place of question mark (?) in the following number series?
198 190 175 151 116 (?)

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