Exams Questions and Answers

Q:

What has roots that nobody sees, Is taller than trees, Up, up it goes, Yet it never grows?

Answer

A mountain is what has roots that nobody sees, Is taller than trees, Up, up it goes, Yet it never grows.

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

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Q:

If $x = 8 + 2 \sqrt{15}$ , then what is the value of $\sqrt{x} + \frac{1}{\sqrt{x}}$ ?

A) 2√15	B) 3√5
C) (3√5+√3)/2	D) 3√2+3

Answer & Explanation Answer: C) (3√5+√3)/2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In the following question, select the odd word from the given alternatives.

A) Rat	B) Cat
C) Fish	D) Cow

Answer & Explanation Answer: C) Fish

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If 10$25 = 8, 12$25 = 10 then what is the value of 14$53 = ?

A) 13	B) 15
C) 11	D) 9

Answer & Explanation Answer: A) 13

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

Through which light cannot pass?

A) Notebook paper	B) Water
C) Book	D) Sun glasses

Answer & Explanation Answer: C) Book

Explanation:

The objects through which light cannot pass are called as Opaque objects. Some objects allow some light to pass through them and are called as Translucent objects. The objects which allow all the light to pass through them are called as Transparent objects.

Here in the given options Book is an example of opaque object as it does not allow light to pass through it. Water is transparent object and notebook paper and sun glasses are examples of translucent objects.

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

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Q:

What is the value of 0.55 x 4.5/0.81 ?

A) 3.555	B) 55/18
C) 3.05	D) 55/81

Answer & Explanation Answer: B) 55/18

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In spherical polar coordinates (l, q, a), q denotesthe polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by

A) Psinq sina	B) Psinq cosa
C) Pcosq sina	D) Pcosq cosa

Answer & Explanation Answer: A) Psinq sina

Explanation:

The Cartesian Coordinates can be retrieved from spherical coordinates (l,q,a) by:

X = r.sinq.cosa

Y = r.sinq.sina

Z = r.sinq

Using the same we get for P,

Y = P.sinq.sina

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?

A) 8	B) 6
C) 10	D) 9

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