Questions

Q:

Which determines the frequency of a sound wave?

A) Amplitude B) Speed
C) Source D) Medium
 
Answer & Explanation Answer: A) Amplitude

Explanation:

The frequency of a sound wave is determined by the amplitude of the wave. As amplitude of the wave is high the frequency of the wave will also be high.

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Q:

Improve the bracketed part of the sentence.
The government plans to (take up) the construction project soon.

A) Take on B) Take off
C) Take in D) No improvement
 
Answer & Explanation Answer: D) No improvement

Explanation:
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Q:

Which one of the following is not situated on Varanasi -Kanyakumari National Highway?

A) Satna B) Rewa
C) Katni D) Jabalpur
 
Answer & Explanation Answer: A) Satna

Explanation:

Satna is not situated on Varanasi-Kanyakumari National Highway.

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Q:

The caves of Ajanta are famous for

A) paintings B) terra-cotta
C) sculpture D) temples
 
Answer & Explanation Answer: A) paintings

Explanation:

The caves of Ajanta are famous for paintings.

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Q:

Giddha is a folk dance of which state?

A) Rajasthan B) Uttar Pradesh
C) Punjab D) Bihar
 
Answer & Explanation Answer: C) Punjab

Explanation:
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Q:

Which of the following is not soluble in water?

A) sodium chloride B) potassium sulfate
C) copper(II) hydroxide D) silver nitrate
 
Answer & Explanation Answer: B) potassium sulfate

Explanation:

We know that,

All nitrates are soluble in water.

All chlorides are soluble in water with the exception of those formed with silver , lead , mercury ions as all halides are soluble.

Sulphates are soluble in water.

Hydroxides are not soluble in water.

 

Hence, copper(II) hydroxide is not soluble in water.

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Q:

What is the percentage of oxygen in Al2(SO4)3?

A) 57.7% B) 56.1%
C) 53.1% D) 52.6%
 
Answer & Explanation Answer: B) 56.1%

Explanation:
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Q:

Explain Data Definition Language

Answer

Data Definition Language (DDL):- are the SQL statements that define the database structure.


Example:



  1.  CREATE

  2.  ALTER

  3.  DROP

  4.  TRUNCATE

  5.  COMMENT

  6.  RENAME

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