6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

$If [\sqrt (a^{2} + b^{2} + ab)] + [\sqrt (a^{2} + b^{2} - ab)] = 1, then what is the value of (1 - a^{2}) (1 - b^{2}) ?$

A) 1/4	B) 4/7
C) 5/4	D) 3/4

Answer & Explanation Answer: D) 3/4

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Simplify $(b^{5} x 2 a^{3} z^{4}) * (b^{3} x^{2} a^{4} z^{5}) / (a^{2} b^{3} z^{2})$

A) b5x4a5z5	B) b5x4a5z7
C) b5x4a4z7	D) b4x4a5z7

Answer & Explanation Answer: B) b5x4a5z7

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

From a point P, the angle of elevation of a tower is such that its tangent is 3/4. On walking 560 metres towards the tower the tangent of the angle of elevation of the tower becomes 4/3. What is the height (in metres) of the tower?

A) 720	B) 960
C) 840	D) 1030

Answer & Explanation Answer: B) 960

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Filed Under: Height and Distance
Exam Prep: Bank Exams

3 1130

Q:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) (8, 23, 15)	B) (17, 52, 33)
C) (12, 35, 23)	D) (15, 44, 29)

Answer & Explanation Answer: B) (17, 52, 33)

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

One of four words is a class to which the other three belong. Identify the class.

A) Hawaii	B) Cuba
C) Island	D) Greenland

Answer & Explanation Answer: C) Island

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

A) 15	B) 10
C) 20	D) 25

Answer & Explanation Answer: B) 10

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Filed Under: Time and Work
Exam Prep: Bank Exams

1 1130

Q:

12 men or 30 boys can complete a work in 72 days. How many days will 48 men and 24 boys will take to complete the same work?

A) 20	B) 18
C) 15	D) 25

Answer & Explanation Answer: C) 15

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Filed Under: Time and Work
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Q:

A natural number, when divided by 5,6,7 or 8,leaves a remainder of 4 in each case. what is the smallest of all such numbers?

A) 214	B) 424
C) 844	D) 1264

Quantitative Aptitude - Arithmetic Ability Questions

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