6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Deksha borrowed Rs. 500 at 5% per annum S.I. What amount (in Rs.) will she pay to clear her debt after 4 years?

A) 150	B) 650
C) 600	D) 100

Answer & Explanation Answer: C) 600

Explanation:

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Filed Under: Simple Interest
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Q:

The speed of car B is half the speed of car A. If car A covers a distance of 120 km in 1.5 hours, what is the speed of car B?

A) 40 kmph	B) 60 kmph
C) 30 kmph	D) 50 kmph

Answer & Explanation Answer: A) 40 kmph

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

12 men and 16 women together can complete a work in 4 days. It takes 80 days for one man alone to complete the same work, then how many days would be required for one woman alone to complete the same work?

A) 160	B) 150
C) 130	D) 175

Answer & Explanation Answer: A) 160

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Filed Under: Time and Work
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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 sphere to that of cone?

A) 6√3:1	B) 7 : 2
C) 3√3:1	D) 5√3:1

Answer & Explanation Answer: A) 6√3:1

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)

Volume of sphere/volume of cone =

\frac{\frac{4}{3} {πr}_{1}^{3}}{\frac{1}{3} {πr}_{2}^{2} h}

= 6√3:1

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

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Q:

Rearrange the jumbled up letters to form a meaningful word and find the odd one out.

A) ROUWBR	B) EDN
C) ORFO	D) ETNS

Answer & Explanation Answer: C) ORFO

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Filed Under: Odd Man Out
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Q:

What is the value of Cot 60 - Sec 30?

A) -1/3	B) -1/√3
C) 1/√3	D) 1/3

Answer & Explanation Answer: B) -1/√3

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Filed Under: Simplification
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Q:

Find the volume (in cm3) of a right circular cylinder of diameter 21 cm and height 10 cm.

A) 3118	B) 3275
C) 3621	D) 3465

Answer & Explanation Answer: D) 3465

Explanation:

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Filed Under: Area
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Q:

Select the odd letters from the given alternatives.

A) WVU	B) QPO
C) GED	D) LKJ

Quantitative Aptitude - Arithmetic Ability Questions

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