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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Select the option that can replace the question mark (?) in the following equation.

 

0.23 - 0.130.2 + 0.12

 

A) 1/18 B) 3/40
C) -7/90 D) 7/90
 
Answer & Explanation Answer: D) 7/90

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 48834
Q:

What is the value of 88% of 1125 + 20% of 425?

 

A) 1025 B) 1125.2
C) 1075 D) 1055
 
Answer & Explanation Answer: C) 1075

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Filed Under: Percentage
Exam Prep: Bank Exams

5 48741
Q:

The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs.20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is

A) Rs. 19.50 B) Rs. 19
C) Rs. 18 D) Rs. 18.50
 
Answer & Explanation Answer: C) Rs. 18

Explanation:

Let the price of the mixed variety be Rs. x per kg. By the rule of alligation, we have :

 

Cost of 1 kg of type 1 rice           Cost of 1 kg of type 2 rice  

 

 

 

 

∴(20-x)/(x-15) = 2/3 

⇒ 60 - 3x = 2x - 30

 ⇒ x = 18.

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Filed Under: Alligation or Mixture

109 48615
Q:

If S is the midpoint of a straight line PQ and R is a point different from S, such that PR =RQ, then

 

A) ∠PRS = 90° B) ∠QRS = 90°
C) ∠PSR = 90° D) ∠QSR = 90°
 
Answer & Explanation Answer: C) ∠PSR = 90°

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Filed Under: Area
Exam Prep: Bank Exams

1 48613
Q:

What will be the value of that smallest positive integer N, such that 294N is an integer?

 

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

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Filed Under: Simplification
Exam Prep: Bank Exams

0 48588
Q:

Select the figure that does not belong in the following group.

 

 

A) D B) A
C) C D) B
 
Answer & Explanation Answer: C) C

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 48568
Q:

Correct expression of 0.018¯ = ?

 

A) 1/55 B) 18/100
C) 18/1000 D) 1/66
 
Answer & Explanation Answer: C) 18/1000

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Filed Under: Simplification
Exam Prep: Bank Exams

3 48531
Q:

Use continuity to evaluate the limit.

limx→128+x8+x

 

A) 1 B) 2
C) 4 D) 0
 
Answer & Explanation Answer: A) 1

Explanation:

Since, we have that,

The numerator and denominator is (8+x), which is a polynomial is continuous for all the real numbers i.e. for all x belonging to .

Thus, the limit exists and is given by,

limx→128+x8+x = 8+128+12= 1.

 

 

 

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Filed Under: Simplification
Exam Prep: Bank Exams , CAT

0 48406