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.

Consider the following statements:

1) The surface area of the sphere is √5 Times the curved surface area of the cone.

2) The surface area of the cube is equal to the curved surface area of the cylinder. Which of the above statements is/are correct?

A) 1 only	B) 2 only
C) Both 1 and 2	D) Neither 1 nor 2

Answer & Explanation Answer: D) Neither 1 nor 2

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)

Thus neither 1 nor 2 are true

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Q:

In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

General pardon for offences against the state

A) sanctify	B) amnesty
C) gratuity	D) red-tapism

Answer & Explanation Answer: B) amnesty

Explanation:

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Q:

Which planet has the maximum number of satellites?

A) Jupiter	B) Earth
C) Neptune	D) Saturn

Answer & Explanation Answer: A) Jupiter

Explanation:

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Filed Under: General Science
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Q:

"Relief of the disabled and unemployable" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.

A) Union	B) State
C) Global	D) Concurrent

Answer & Explanation Answer: B) State

Explanation:

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Filed Under: Indian Politics
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Q:

What is the SI unit of Power?

A) Boyle	B) Watt
C) Newton	D) Pascal

Answer & Explanation Answer: B) Watt

Explanation:

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Filed Under: Physics
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Q:

What is the SI unit of pressure?

A) Newton	B) Weber
C) Pascal	D) Henry

Answer & Explanation Answer: C) Pascal

Explanation:

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Filed Under: Physics
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Q:

_________ software are freely available and can be edited and customized by anyone.

A) Free Source	B) Open Source
C) Easy Source	D) Unpaid Source

Answer & Explanation Answer: B) Open Source

Explanation:

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Filed Under: Computer
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Plaudit

A) Criticism	B) Jeering
C) Praise	D) Silence

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