Q:

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

A) 3 cm	B) 1.5 cm
C) 1 cm	D) 2.5 cm

Answer & Explanation Answer: C) 1 cm

Explanation:

Let, inner radius of cylinder be ‘x’ cm.
4/3 π(6)3 = π × 32 (52 − x2)

or, (4 × 6 × 6 × 6) / (3 × 32) = 25 − x2 or, x2 = 25 − 9
or, x = 4 cm
Hence, thickness = 5 – 4 = 1 cm.

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

To spin one's wheels

A) to take a chance	B) to do a job quickly
C) to narrate someone a confusing story	D) to waste one's time

Answer & Explanation Answer: D) to waste one's time

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Select the word with the correct spelling.

A) ardvark	B) cubickles
C) jauntier	D) celiebate

Answer & Explanation Answer: C) jauntier

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

The ozone layer is mainly found in the lower portion of the _______.

A) stratosphere	B) troposphere
C) mesosphere	D) thermosphere

Answer & Explanation Answer: A) stratosphere

Explanation:

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams

3 1586

Q:

Study of classification of organisms is known as _____.

A) Serpentology	B) Virology
C) Taxonomy	D) Physiology

Answer & Explanation Answer: C) Taxonomy

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

The process of electric discharge between clouds and the earth or between different clouds causes _____________.

A) thunderstorm	B) cyclone
C) lightning	D) winds

Answer & Explanation Answer: C) lightning

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams , CAT

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
To put a spoke in one's wheel

A) To be advantageous at the time of difficulty	B) To maintain under all circumstances
C) To blame the other party	D) To put a difficulty in the way of progress

Answer & Explanation Answer: D) To put a difficulty in the way of progress

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.
Statements:
I. All rackets are bats.
II. All bats are wickets.
Conclusions:
I. Some wickets are rackets.
II. All wickets are rackets.

%MCEPASTEBIN%

A) Only conclusion (I) follows.	B) Only conclusion (II) follows.
C) Neither conclusion (I) nor conclusion (II) follows.	D) Both conclusions follow.

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