Quantitative Aptitude - Arithmetic Ability Questions

Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Armchair B) Sofa
C) Table D) Paperweight
 
Answer & Explanation Answer: D) Paperweight

Explanation:
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Filed Under: Odd Man Out
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)
VcubeVcylinder = a3πr22h = 14/11
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

The total surface area of a hemisphere is 462 sq cm, what is its curved surface area? (Take π = 22/7)

A) 616 sq cms B) 154 sq cms
C) 308 sq cms D) 462 sq cms
 
Answer & Explanation Answer: C) 308 sq cms

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

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Q:

The smallest number that must be subtracted from 2800 so that the obtained number is a perfect square is

A) 9 B) 69
C) 96 D) 73
 
Answer & Explanation Answer: B) 69

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

A square playground measures 1127.6164 sq.m. If a man walks 2 9/20 m a minute, the time taken by him to walk one round around it is approximately.

A) 50.82 min B) 54.82 min
C) 54.62 min D) 50.62 min
 
Answer & Explanation Answer: B) 54.82 min

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

35% of an alloy was silver. If in the quantity of alloy there was 119 g of silver, what was the quantity of the elements in the alloy?

A) 273 g B) 204 g
C) 221 g D) 340 g
 
Answer & Explanation Answer: C) 221 g

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

When 0.363636.....is converted into a fraction, then the result is _____.

A) 7/11 B) 4/11
C) 14/33 D) 8/33
 
Answer & Explanation Answer: B) 4/11

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

In the given figure, P  is the center of the circle. If QS = PR, then what is the ratio of angles RSP to the TPR ?

A) 1 : 4 B) 2 : 5
C) 1 : 3 D) 2 : 7
 
Answer & Explanation Answer: C) 1 : 3

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

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