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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Solve : x - 3 = 3x + 7

 

 

A) 5 B) -5
C) 1 D) 10/4
 
Answer & Explanation Answer: B) -5

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 65570
Q:

Which of the following value of 'x' satisfies the equation 

4x-1.92x-6 = 5184

 

A) 2 B) 3
C) 4 D) 6
 
Answer & Explanation Answer: C) 4

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Filed Under: Simplification
Exam Prep: Bank Exams

0 65558
Q:

n is an integer chosen at random from the set

{5, 7, 9, 11 }

p is chosen at random from the set

{2, 6, 10, 14, 18}

What is the probability that n + p = 23 ?

A) 0.1 B) 0.2
C) 0.25 D) 0.3
 
Answer & Explanation Answer: A) 0.1

Explanation:

Each of the integers in the first set could be combined with any from the second set, giving a total of 4 x 5 = 20 possible pairs.

Of these the combinations that could give a sum of 23 are (5 + 18), and (9 + 14)

This means that the probability of getting a sum of 23 is 2/20 = 1/10

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GRE

0 65534
Q:

What is the total length intercepted between both the axes by the line 8x+4y=40?

 

A) 5   B)  10  
C)  15   D)  20
 
Answer & Explanation Answer: C)  15  

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Filed Under: Area
Exam Prep: Bank Exams

0 65523
Q:

Find at what time between 8 and 9 o'clock will the hands of a clock be in the same straight line but not together ?

A) 100/11 min past 8 B) 120/11 min past 8
C) 90/11 min past 8 D) 80/11 min past 8
 
Answer & Explanation Answer: B) 120/11 min past 8

Explanation:

In this type of problems the formulae is 5x-30×1211
x is replaced by the first interval of given time Here i.e 8
5*8-30*1211
= 12011min

Therefore the hands will be in the same straight line but not
together at 12011 min.past 8.

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Filed Under: Clocks
Exam Prep: Bank Exams
Job Role: Bank PO

102 65426
Q:

30% of a number is 33. What is the number?

 

A) 120 B) 115
C) 105 D) 110
 
Answer & Explanation Answer: D) 110

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

3 65356
Q:

If sec θ + tan θ = 2, then sec θ - tan θ = ?

 

A) 0.5 B) 1.5
C) 1 D) 0.75
 
Answer & Explanation Answer: A) 0.5

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?

A) 360 B) 180
C) 90 D) 60
 
Answer & Explanation Answer: B) 180

Explanation:

Angle traced by the hour hand in 6 hours=(360/12)*6

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Filed Under: Clocks
Exam Prep: Bank Exams
Job Role: Bank PO

190 65046