Exams Questions and Answers

Q:

In the following question, select the odd number pair from the given alternatives.

A) 122 – 1331	B) 173 – 2197
C) 197 – 2744	D) 290 – 4913

Answer & Explanation Answer: B) 173 – 2197

Explanation:

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Filed Under: Analogy
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 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:

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?

A) 7 : 4	B) 8 : 5
C) 6 : 5	D) 5 : 3

Answer & Explanation Answer: D) 5 : 3

Explanation:

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Ostracise

A) Embrace	B) Exile
C) Avoid	D) Deport

Answer & Explanation Answer: A) Embrace

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

If the zeroes of the polynomial $x^{2} - ax + b$ are 3 and 4, then 'a' and 'b' are respectively equal to

A) 4, 3	B) 12, 7
C) 3, 4	D) 7, 12

Answer & Explanation Answer: D) 7, 12

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Odisha's World famous Konark Sun Temple was built by

A) Krushadevray	B) Ashoka
C) Chandragupta	D) Narasimhadeva

Answer & Explanation Answer: D) Narasimhadeva

Explanation:

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Filed Under: Indian History
Exam Prep: Bank Exams

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Q:

Which of the following is false with reference to a photo-voltaic cell?

A) It is another name as solar cell	B) It can be used as infra-red detectors
C) It can store light energy in the form of electrical energy	D) It converts electric energy into light energy

Answer & Explanation Answer: D) It converts electric energy into light energy

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

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

A) America	B) India
C) Bangladesh	D) Pakistan

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