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 Quantitative Aptitude - Arithmetic Ability Questions

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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
Job Role: Bank PO , Bank Clerk

1 1883
Q:

If 2cosec2A = x, then the value of x is

A) 1/(1 - cosecA) - 1/(1 + cosecA) B) 1/(1 + sinA) + 1/(1 - tanA)
C) 1/(1 + cosA) + 1/(1 - cosA) D) 1/(1 - tanA) - 1/(1 + sinA)
 
Answer & Explanation Answer: C) 1/(1 + cosA) + 1/(1 - cosA)

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 1883
Q:

The average of 19 consecutive even integers is 50. The highest of these integers is

A) 88 B) 68
C) 126 D) 100
 
Answer & Explanation Answer: B) 68

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Filed Under: Average
Exam Prep: Bank Exams

1 1882
Q:

Reflection of the point (2,-4) in the origin is

A) (2,4) B) (-2,-4)
C) (2,-4) D) (-2,4)
 
Answer & Explanation Answer: D) (-2,4)

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

2 1882
Q:

A and B invest Rs. 3000 and Rs. 2400 respectively in a business. If after one year there is a loss of Rs. 720, how much loss will B bear? (Loss or Profit is in proportion to their investments)

A) Rs. 72 B) Rs. 320
C) Rs..400 D) Rs. 360
 
Answer & Explanation Answer: B) Rs. 320

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 1881
Q:

Ram travels 4/9th of the total journey by bus, 5/18th by rail and the remaining 10 km on foot. Find the distance of total journey.

 

A) 42 km B) 90 km
C) 36 km D) 18 km
 
Answer & Explanation Answer: C) 36 km

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Filed Under: Time and Distance
Exam Prep: Bank Exams

5 1881
Q:

A can do 1/3rd of a job in 3 days and B can do half of the job in 9 days. If they work on it together, then in how many days can they finish half of the job?

A) 4 B) 5
C) 6 D) 3
 
Answer & Explanation Answer: D) 3

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Filed Under: Time and Work
Exam Prep: Bank Exams

3 1881
Q:

A sum of Rs 2000 becomes Rs 3645 in 2 years at a certain rate of compound interest. What will be the sum (in Rs) after 4 years?

A) 5942.125 B) 6643.0125
C) 7243.0125 D) 7498.125
 
Answer & Explanation Answer: B) 6643.0125

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Filed Under: Simple Interest
Exam Prep: Bank Exams

2 1881