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:

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

The workers are building the house.

A) The house was being built by the workers.	B) The house was built by the workers.
C) The house is built by the workers.	D) The house is being built by the workers.

Answer & Explanation Answer: D) The house is being built by the workers.

Explanation:

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Get the sack

A) Look for a sack	B) Find a sack
C) Get a call back	D) Be dismissed

Answer & Explanation Answer: D) Be dismissed

Explanation:

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Q:

Which of the following transports water from the roots of the plant to its leaves?

A) Xylem	B) Phloem
C) Both xylem and phloem	D) Cortex

Answer & Explanation Answer: C) Both xylem and phloem

Explanation:

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Filed Under: Biology
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Q:

Which is the only one example of Mollusca Phylum?

A) Locust	B) Butterfly
C) Scorpion	D) Octopus

Answer & Explanation Answer: D) Octopus

Explanation:

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Filed Under: Biology
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Q:

Which of the following gas leaked in the Bhopal Gas tragedy in December 1984?

A) Methyl isocyanate	B) Methyl isochlorate
C) Methyl Phosphate	D) Methyl Isopropate

Answer & Explanation Answer: A) Methyl isocyanate

Explanation:

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Q:

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.
COURAGE

A) BRAVERY	B) WEAKNESS
C) COWARDICE	D) FEAR

Answer & Explanation Answer: C) COWARDICE

Explanation:

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Q:

Rock Shelters of Bhimbetka is in ___________.

A) Maharashtra	B) Himachal Pradesh
C) Karnataka	D) Madhya Pradesh

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