Quantitative Aptitude - Arithmetic Ability Questions

Q:

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).

 

A) 60 B) 120
C) 37 D) 74
 
Answer & Explanation Answer: A) 60

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Filed Under: Area
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Q:

The rate of simple interest for which a sum of money becomes 5 times in 8 years is

A) 30% B) 40%
C) 50% D) 55%
 
Answer & Explanation Answer: C) 50%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If secA + tanA = x, then find the value of x.

A) √[(1 - sinA)/(1 + sinA)] B) (1 + sinA)/(1 - sinA)
C) (1 - sinA)/(1 + sinA) D) √[(1 + sinA)/(1 - sinA)]
 
Answer & Explanation Answer: D) √[(1 + sinA)/(1 - sinA)]

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the reflection of the point (-4, 3) in the line x = -2?

A) (-4 , -7) B) (4 , 3)
C) (0 , 3) D) (-4 , 7)
 
Answer & Explanation Answer: C) (0 , 3)

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

 

A) 18   B) 25  
C) 24   D) 21
 
Answer & Explanation Answer: B) 25  

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The value of 1+tan2(1-sin2) is

A) 2 B) 1
C) -1 D) -2
 
Answer & Explanation Answer: B) 1

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Q:

If cos4θ-sin4θ=13 then the value of tan2θ is

A) 1/2 B) 1/3
C) 1/4 D) 1/5
 
Answer & Explanation Answer: A) 1/2

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Q:

X and Y are two alloys which are prepared by mixing zinc and aluminium in the ratio of 1 : 4 and 11 : 8 respectively. If equal quantities of alloys are melted to form a third alloy Z then what is the ratio of zinc and aluminium in alloy Z?

 

A) 32:47 B) 37:58
C) 37:95 D) 74:95
 
Answer & Explanation Answer: B) 37:58

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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