Questions

Q:

Diamond is harder than Graphite because of

A) tetrahedral structure of diamond B) difference of crystalline structures
C) difference of layers of atoms D) hexagonal structure of graphite
 
Answer & Explanation Answer: B) difference of crystalline structures

Explanation:

Here are the differences between Diamond and Graphite :

 

diamond_is_harder_than_graphite_because_of1557300898.jpg image

 

From the above analysis, Diamond is harder than Graphite because of the difference of crystalline structures.

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Q:

Concatenation of text can be done using

A) Ampersand (&) B) Hash (#)
C) Apostrophe (') D) Exclamation (!)
 
Answer & Explanation Answer: A) Ampersand (&)

Explanation:

Concatenation of text means adding a word with other word. It can be done using Ampersand (&).

For example :

'Amper' & 'sand' = Ampersand 

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Q:

Classify the Hashing Functions based on the various methods by which the key value is found.

Answer

Direct method,


 Subtraction method,


 Modulo-Division method,


 Digit-Extraction method,


 Mid-Square method,


 Folding method,


Pseudo-random method

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Subject: Technology

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Q:

Lift was invented by

A) Otis B) Domagk
C) Lee De Forest D) None of these
 
Answer & Explanation Answer: A) Otis

Explanation:
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Q:

Which act introduced dyarchy at the centre?

A) Government of India Act 1935 B) The Indian Independence Act 1947
C) Indian Council Act 1909 D) Government of India Act 1919
 
Answer & Explanation Answer: A) Government of India Act 1935

Explanation:
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Q:

Solve this puzzle?

logical_thinking_puzzle11538732563.jpg image

A) 18 B) 16
C) 20 D) 14
 
Answer & Explanation Answer: B) 16

Explanation:

Let the given be resembled in letters like R, G & B.

Here given,

1) R + R + R = 30

=> 3R = 30 => R = 30/3 = 10

 

2) R + G + G = 18 => R + 2G = 18 => 10 + 2G = 18 => 2G = 8 => G = 4

 

3) G - B = 2 => B = G - 2 => B = 4 - 2 => B = 2

 

Hence, R + G + B = 10 + 4 + 2 => 16.

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Q:

World's smallest Computer is unveiled by

A) Infosys B) Intel
C) IBM D) Microsoft
 
Answer & Explanation Answer: C) IBM

Explanation:

IBM has unveiled the world's smallest computer - a device no bigger than a grain of salt. Presented at the company's Think 2018 conference in Las Vegas, Nevada, the unit measures just 1mm by 1mm but has the same processing power as the x86 chip that ran early Nineties IBM desktop computers.

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Q:

Nitrogenous Food is

A) Proteins B) Carbohydrates
C) Salts D) Lipids
 
Answer & Explanation Answer: A) Proteins

Explanation:

Here the Nitrogenous Food is Proteins.

Nitrogenous Food ::

The animal body is more than a machine. It requires fuel to enable it not only to work but also to live, even without working. A part of the food eaten must go to maintain the body

Nitrogenous food compounds are sometimes classed together under the name of proteins. These may be divided into proteids, gelatinoids, and extractives.

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