Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?

A) 20% B) 12%
C) 15% D) 10%
 
Answer & Explanation Answer: B) 12%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

There are red (A), yellow(B) and green (C) tokens in a bag. A : B :: 3 : 8, B : C :: 6 : 13. A : B : C is given by

A) 9 : 24 : 52 B) 3 : 48 : 13
C) 3 : 8 : 13 D) 3 : 6 : 13
 
Answer & Explanation Answer: A) 9 : 24 : 52

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

In what ratio should tea costing Rs 300/kg be mixed with tea costing Rs 200/kg so that the cost of the mixture is Rs 225/kg?

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

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

X, Y and Z can do a piece of work in 30, 40 and 50 days respectively. All three of them began the work together but Y left 4 days before completion of the work. In how many days was the work completed?

A) 660/47 B) 640/47
C) 680/47 D) 665/47
 
Answer & Explanation Answer: A) 660/47

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

O is the circumcentre of ΔABC. If AO = 8 cm, then the length of BO is

A) 12 cm B) 3 cm
C) 6 cm D) 8 cm
 
Answer & Explanation Answer: D) 8 cm

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Filed Under: Volume and Surface Area
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Q:

What is the length of the side of an equilateral triangle, if its area is 64√3 sq cm?

A) 8 cm B) 16 cm
C) 16√3 cm D) 8√3 cm
 
Answer & Explanation Answer: B) 16 cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

What is the value of sin (90° + 2A)[4  cos2(90°  2A)]?

A) 2(cos3 A – sin3 A) B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A) D) 4(cos6 A – sin6 A)
 
Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

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Filed Under: Simplification
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Q:

For the inequation x^2–7x + 12 > 0, which one of the following is correct ?

A) 3 < x < 4 B) –∞ < x < 3 only
C) 4 < x < ∞ only D) –∞ < x < 3 or 4 < x < ∞
 
Answer & Explanation Answer: D) –∞ < x < 3 or 4 < x < ∞

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Filed Under: Simplification
Exam Prep: Bank Exams

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