Exams


Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic. B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave. D) Longitudinal waves can travel in all media-solids, liquids and gases.
 
Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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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. Some pens are pencils.
II. Some pens are erasers.


Conclusions:
I. Some pencils are erasers.
II. All erasers are pens.

A) Only conclusion (I) follows. B) Only conclusion (II) follows.
C) Both conclusion follow. D) Neither conclusion (I) nor conclusion (II) follows.
 
Answer & Explanation Answer: D) Neither conclusion (I) nor conclusion (II) follows.

Explanation:
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Filed Under: Statement and Conclusions
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Q:

Which figure will complete the pattern?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

Explanation:
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Filed Under: Pattern Completion
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Q:

According to the categories of land mentioned in the Chola inscriptions ___________ was known as the land gifted to temples?

A) Vellanvagai B) Brahmadeya
C) Shalabhoga D) Devadana
 
Answer & Explanation Answer: D) Devadana

Explanation:
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Q:

A survey was conducted to find what genre of movies people liked the most. 1200 people answered the survey. The pie chart shows the results of that survey. The numbers in the pie chart are the ratios. Study the diagram and answer the following questions.

24% people who were mailed the survey questionnaire answered the survey. The survey questionnaire was mailed to how many people?

A) 5000 B) 10000
C) 1200 D) 288
 
Answer & Explanation Answer: A) 5000

Explanation:
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Filed Under: Pie Charts
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Q:

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

The teacher said, “The moon goes round the earth.”

A) The teacher said that the moon goes round the earth. B) The teacher asked whether the moon goes round the earth.
C) The teacher informed about moon going round the earth. D) The teacher asked whether moon goes round.
 
Answer & Explanation Answer: A) The teacher said that the moon goes round the earth.

Explanation:
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Filed Under: English
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Q:

In Microsoft Word, under character formatting ___________ decides the appearance of our characters.

A) Size B) Underline
C) Effects D) Font
 
Answer & Explanation Answer: D) Font

Explanation:
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Filed Under: Computer
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

The survey provided the company with a wide __________ of feedback on its products.

A) spectrum B) option
C) choices D) colours
 
Answer & Explanation Answer: A) spectrum

Explanation:
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Filed Under: English
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