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Q:

In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer.

I. x2+ 30x + 81 = 0

II.y2-9y -162 = 0

A) x > y	B) x>y
C) x < y	D) x

Answer & Explanation Answer:

Explanation:

x^2+ 30x + 81 = 0
x^2+ 27x + 3x + 81 = 0
x = -3, -27
y^2-9y -162 = 0
y^2-18y + 9y -162 = 0
y = -9, 18
Hence, no relationship can be established between x and y

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Filed Under: Simplification
Exam Prep: Bank Exams
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Q:

In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer.

$I . 5 x^{2} + 28 x = - 15 II . 3 y^{2} + 11 y + 6 = 0$

A) X > Y	B) X ≥ Y
C) X < Y	D) X ≤ Y

Answer & Explanation Answer:

Explanation:

5x^2+ 28x = -15x = (-3/5, -5)

II. 3y^2+ 11y + 6 = 0y = (-3, -2/3)

So Relationship cannot be established

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

In a single throw with 2 dices, what is probability of neither getting an even number on one and nor a multiple of 3 on other?

A) 11/36	B) 25/36
C) 5/6	D) 1/6

Answer & Explanation Answer: B) 25/36

Explanation:

We first calculate the probability of getting an even number on one and a multiple of 3 on other,Here, n(s) = 6x6 = 36 and

E = (2,3) (2,6) (4,3) (4,6) (6,3) (6,6) (3,2) (3,4)(3,6) (6,2)(6,4)

n(E) = 11P(E) = 11/36Required probability = 1-11/36 = 25/36

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Filed Under: Probability
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Q:

What will come in place of the question marks (?) in the following Number series?8, 14, 26, 44, 68 (?)

A) 94	B) 102
C) 96	D) 98

Answer & Explanation Answer: D) 98

Explanation:

The pattern is + 6, + 12, + 18, +24 ...........So the missing term is = 68 +30 = 98

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Filed Under: Number Series

Q:

What will come in the place of the question mark (?) in the following number series?305, 338, 404, 503, 635 , (?)

A) 820	B) 880
C) 800	D) 890

Answer & Explanation Answer: C) 800

Explanation:

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Filed Under: Numbers
Exam Prep: Bank Exams

Q:

The bar graph shows the number of employees working in the different departments of a company. Study the diagram and answer the following questions

Which department has the lowest number of employees?

A) C	B) D
C) A	D) B

Answer & Explanation Answer: B) D

Explanation:

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Filed Under: Quantitative Aptitude - Data Interpretation
Exam Prep: Bank Exams , GATE
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Q:

The difference between two numbers is 1146. When we divide the larger number by smaller we get 4 as quotient and 6 as remainder. Find the larger number

A) 1526	B) 1431
C) 1485	D) 1234

Answer & Explanation Answer: A) 1526

Explanation:

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Filed Under: Simplification
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Q:

The sum of two numbers is 7 and the sum their squares is 23, their product is equal to:

A) 10	B) 11
C) 12	D) 13

Answer & Explanation Answer: D) 13

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams , GATE
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