Aptitude and Reasoning Questions

Q:

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

A) Nokia B) Whirlpool
C) Apple D) Micromax
 
Answer & Explanation Answer: B) Whirlpool

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Filed Under: Odd Man Out
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Q:

What is the value of sec 4π/3?

A) 2 B) -2
C) 2/√3 D) -2/√3
 
Answer & Explanation Answer: B) -2

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Filed Under: Simplification
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Q:

The following pie chart shows proportion of population of seven villages in 2009. Study the pie chart and answer the questions that follows :

If the below poverty line population of the village 'X' is 12160, then the population of village 'S' is

A) 18500 B) 20500
C) 22000 D) 20000
 
Answer & Explanation Answer: C) 22000

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Filed Under: Pie Charts
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Q:

If a mirror is placed on the line MN, then which figure is the right figure of the given image?

A) 1 B) 2
C) 3 D) none
 
Answer & Explanation Answer: B) 2

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Filed Under: Image Analysis
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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 = 43πr1313πr22h = 6√3:1
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

The simple interest on a sum for 5 years is Rs 16800. The rate of interest for the first 3 years is 8% per annum and for the next 2 years is 12% per annum. What is the value (in Rs) of sum?

A) 30000 B) 38000
C) 32000 D) 35000
 
Answer & Explanation Answer: D) 35000

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Filed Under: Simple Interest
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Q:

In an army selection process, the ratio of selected to unselected was 3:1. If 60 less had applied and 30 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

A) 240 B) 480
C) 120 D) 720
 
Answer & Explanation Answer: A) 240

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

In a triangle ABC, OB and OC are the bisectors of angles ∠ B and ∠C respectively. ∠BAC = 60°. Then the angle ∠BOC will be

A) 150° B) 120°
C) 100° D) 90°
 
Answer & Explanation Answer: B) 120°

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

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