6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A man travels 430 kilometres in, partly by rail and partly by steamer. He spends 10 hours more time on steamer. If the velocity of the steamer is 25 km/hr and the velocity of rail is 65 km/hr, how much distance does he cover by steamer?

A) 360 km	B) 300 km
C) 450 km	D) 540 km

Answer & Explanation Answer: B) 300 km

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

A hemisphere is kept on top of a cube. Its front view is shown in the given figure. The total weight of the figure is 21 cm. The ratio of curved surface area of hemisphere and total surface area of cube is 11 : 42. What is the total volume (in cub.cm) of figure?

A) 3318.33	B) 3462.67
C) 3154.67	D) 3248.33

Answer & Explanation Answer: B) 3462.67

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

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Q:

The average of five consecutive even numbers is 40. What is the value of smallest of these numbers?

A) 35	B) 36
C) 44	D) 48

Answer & Explanation Answer: B) 36

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

If l + m + n = 9 and $l^{2} + m^{2} + n^{2} = 31$ , then the value of lm + mn + nl will be

A) 22	B) 50
C) 25	D) -25

Answer & Explanation Answer: C) 25

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Filed Under: Simplification

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Q:

If a--b = 4 and ab = 45, find the value of $a^{3} - b^{3}$

A) 604	B) 370
C) 253	D) 199

Answer & Explanation Answer: A) 604

Explanation:

${(a - b)}^{2} = a^{2} + b^{2} - 2 ab \Rightarrow 16 = a^{2} + b^{2} - 90 \Rightarrow a^{2} + b^{2} = 106 a^{3} - b^{3} = (a - b) (a^{2} + b^{2} + ab) \Rightarrow a^{3} - b^{3} = 4 X (106 + 45) \Rightarrow a^{3} - b^{3} = 4 X 151 \Rightarrow a^{3} - b^{3} = 604$

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Angle of Elevation means

Answer

In Heights and Distances,

The angle of elevation of an object is the angle between the horizontal and the line of sight that is the line from the object to the observer's eye.

Workspace

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Subject: Height and Distance Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

8 2331

Q:

If a/b = c/d = e/f = 2/5, then what is (5a + 3c + 2e) : (5b + 3d + 2f)?

A) 2 : 5	B) 3 : 5
C) 16 : 25	D) 20:33

Answer & Explanation Answer: A) 2 : 5

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 2330

Q:

A and B can complete a task in 12 days. However, A had to leave a few days before the task was completed and hence it took 16 days in all to complete the task. If A alone could complete the work in 21 days, how many days before the work getting over did A leave?

A) 7	B) 5
C) 9	D) 3

Quantitative Aptitude - Arithmetic Ability Questions

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