6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Select the odd word from the given alternatives.

A) Stream	B) Rivulet
C) River	D) Valley

Answer & Explanation Answer: D) Valley

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Average age of 6 boys is 14 years. Average age of 11 girls is 12 years. What is the average age (in years) of all boys and girls?

A) 12.7	B) 14.6
C) 19.3	D) 8.5

Answer & Explanation Answer: A) 12.7

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?

A) 3507	B) 3543
C) 3489	D) 3561

Answer & Explanation Answer: B) 3543

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

The fraction from the ones listed below that will NOT lead to a recurring decimal is

A) 8/56	B) 6/56
C) 4/56	D) 7/56

Answer & Explanation Answer: D) 7/56

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

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Q:

The average cost of 5 items in a shopping list is Rs 650. If one more item whose cost is Rs 1400 is added to the list what will be the new average (in Rs)?

A) 775	B) 875
C) 725	D) 825

Answer & Explanation Answer: A) 775

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

A cube is inscribed in a sphere. A right circular cylinder is within the cube touching all the vertical faces. A right circular once is inside the cylinder. Their heights are same and the diameter of the cone is equal to that of the cylinder.

What is the ratio of the volume of the cube to that of the cylinder ?

A) 4 : 3	B) 21 : 16
C) 14 : 11	D) 45 : 32

Answer & Explanation Answer: C) 14 : 11

Explanation:

The top view of the given assembly will look like the figure above

Outermost is the sphere. Inside that there is a cube and within that there is a cone and cylinder with same radius.

Here side of cube = a

Diameter of Sphere = body diagnol = √3 a

Radius of sphere = √3 a/2 =r1

Height of Cylinder = Height of cone = side of cube = a =h

Radius of cylinder = Radius of cone = side of cube/2 = a/2 =r2(as shown in the figure)

\frac{Vcube}{Vcylinder} = \frac{a^{3}}{{πr}_{2}^{2} h} = 14 / 11

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

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Q:

What is the value of $\sqrt[3]{1331} + \sqrt{729} - \sqrt[3]{512}$

A) 15	B) 20
C) 30	D) 23

Answer & Explanation Answer: C) 30

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Filed Under: Simplification
Exam Prep: Bank Exams , CAT

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Q:

List price of TV is Rs. 2300 and discount series found to be 25% and 10%. Then the selling price of TV is

A) Rs.1255.5	B) Rs.1525.5
C) Rs.1552.5	D) Rs.1555.2

Quantitative Aptitude - Arithmetic Ability Questions

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