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:

I am whole but incomplete. I have no eyes, yet I see. You can see, and see right through me. My largest part is one fourth of what I once was.

What am I?

Answer

A Skeleton is what is whole but incomplete, have no eyes, yet can see. We can see, and see right through it. The largest part is one fourth of what it once was i.e body.

Workspace

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 3474

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:

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 3474

Q:

Tone, volume and pace are part of

A) Body language	B) Spoken language
C) Sign language	D) Written language

Answer & Explanation Answer: B) Spoken language

Explanation:

Tone, volume and pace are part of Spoken language.

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

3 3474

Q:

When is the shortest day observed?

A) June 21	B) December 22
C) June 22	D) December 21

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