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Q:

A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be

A) a parabola B) a circle
C) a horizontal straight line D) a vertical straight line
 
Answer & Explanation Answer: A) a parabola

Explanation:

Parabola, because when the coin is dropped at a particular point, it has the same velocity as the running train. So by Newton's first law, it continues its motion horizontally with that velocity. But then, it is also pulled down by earth's gravity continuously. In this situation its horizontal motion gives way to the parabolic motion until it reaches the ground.

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Filed Under: Physics

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Q:

The Governament of India has decided to declare which of the following rivers as ' national River '

A) Ganga B) Yamuna
C) Kaveri D) None of these
 
Answer & Explanation Answer: A) Ganga

Explanation:
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Filed Under: Indian History

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Q:

Who invented Fountain Pen?

A) Sir Frank Whittle B) John J. Loud
C) Kirkpatrick Macmillan D) Lewis E. Waterman
 
Answer & Explanation Answer: D) Lewis E. Waterman

Explanation:
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Filed Under: Inventions

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Q:

The main buffer system of the human blood is

A) H2CO3 B) H2SO4
C) CO2 D) O3
 
Answer & Explanation Answer: A) H2CO3

Explanation:

the_main_buffer_system_of_the_human_blood_is1556690852.jpg image

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 3475
Q:

Which among the following Article/Articles of Indian Constitution deals with Emergency provisions?

I. Article 352

II. Article 356

III. Article 360

 

A) Only I B) Both II and III
C) Both I and II D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

Explanation:
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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

1.Ravens are black.Ravens are evil.All evil are black

2.Horses are faster than eagles.All eagles are hawks.Horses are faster than hawks

3.No priest is a saint.Peter is a priest.Peter is a saint.

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

Explanation:
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Filed Under: Verbal Reasoning - Logical Deduction

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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:

With which of the following is the term Liberty, Equality and Fraternity associated?

A) Industrial Revolution B) Russian Revolution
C) French Revolution D) Olympic Games
 
Answer & Explanation Answer: C) French Revolution

Explanation:
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Filed Under: World History

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