6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the simplified result of following the steps below in order?

1.Add 5y to 2x

2.Multiply the sum by 3

3.Substract x+y from the product

A) 5x + 14y	B) 5x + 16y
C) 5x + 5y	D) None

Answer & Explanation Answer: A) 5x + 14y

Explanation:

Step 1 :2x + 5y

Step 2 :3(2x + 5y) = 6x + 15y

Step 3 :(6x + 15y) - (x +y) = 6x + 15y - x - y (watch that last minus sign!)

This gives 5x + 14y

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Filed Under: Numbers
Exam Prep: GRE

5 43034

Q:

Rohit crosses a 700 metres wide road in 35 seconds. What is his speed (in km/hr)?

A) 54	B) 76
C) 72	D) 84

Answer & Explanation Answer: C) 72

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

1 43002

Q:

At what time between 5.30 and 6 will the hands of a clock be at right angles?

A) (43 + 5/11) min past 5	B) (43 + 7/11) min pats 5
C) 5	D) 7

Answer & Explanation Answer: B) (43 + 7/11) min pats 5

Explanation:

At 5 o'clock, the hands are 25 min. spaces apart.
To be at right angles and that too between 5.30 and 6, the minute hand has to gain (25 + 15) = 40 min. spaces.

55 min. spaces are gained in 60 min

40 min. spaces are gained in $\frac{60}{55} \times 40$ min

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

73 42951

Q:

Aizaz was born on 5th January 2015, while Faiz was born 553days later. On which date was Faiz born?

A) 11th July 2016	B) 10th July 2016
C) 9th July 2016	D) 12th July 2016

Answer & Explanation Answer: A) 11th July 2016

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

51 42923

Q:

In the following question, select the related number from the given alternatives.

8 : 27 : : 64 : ?

A) 190	B) 144
C) 125	D) 72

Answer & Explanation Answer: C) 125

Explanation:

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Filed Under: Ratios and Proportions

0 42904

Q:

The second statement is the ____ of the first.

$1 . P \Rightarrow Q 2 . ~ Q \Rightarrow ~ P$

A) Converse	B) Inverse
C) Contrapositive	D) Contradiction

Answer & Explanation Answer: C) Contrapositive

Explanation:

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Filed Under: Probability
Exam Prep: Bank Exams

3 42734

Q:

Find the ratio of the areas of the incircle and circumcircle of a square.

A) 1:1	B) 1:2
C) 1:3	D) 1:4

Answer & Explanation Answer: B) 1:2

Explanation:

Let the side of the square be x. Then, its diagonal = $\sqrt{2 x^{2}} = \sqrt{2 x}$

Radius of incircle = $\frac{x}{2}$

Radius of circum circle= $\sqrt{2} \times \frac{x}{2} = \frac{x}{\sqrt{2}}$

Required ratio = $\frac{{πx}^{2}}{4} : \frac{{πx}^{2}}{2} = \frac{1}{4} : \frac{1}{2} = 1 : 2$

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

83 42665

Q:

The volume of a cube is 274.625 cm³. Find its side (in cm).

A) 7.5	B) 6.5
C) 5.5	D) 3.5

Quantitative Aptitude - Arithmetic Ability Questions

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