Exams Questions and Answers

Q:

What is the common ratio of the following geometric sequence?

4, 2, 1, 0.5, 0.25, 0.125,...

A) 0.5	B) -1
C) 1.5	D) -0.5

Answer & Explanation Answer: A) 0.5

Explanation:

In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

Herein the given sequence, 4, 2, 1, 0.5, 0.25, 0.125,...

Common Ratio r = 2/4 = 1/2 = 0.5/1 = 0.25/0.5 = 0.125/0.25 == 0.5.

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Filed Under: Problems on Numbers
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3 45471

Q:

___ is the number of shells for elements of the 3rd period.

A) 1	B) 0
C) 2	D) 3

Answer & Explanation Answer: D) 3

Explanation:

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Filed Under: Chemistry
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0 45444

Q:

The ratio of the total distance travelled by a body to the total time taken by it is its __________________.

A) instantaneous velocity	B) linear velocity
C) average speed	D) acceleration

Answer & Explanation Answer: C) average speed

Explanation:

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Filed Under: Physics
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Q:

Which among the following statements are TRUE regarding synthetic fibre?

I. They melt after catching fire.

II. They are more durable.

III. They are prepared by a number of processes using petrochemicals.

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: D) All I, II and III

Explanation:

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Filed Under: Chemistry
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0 45403

Q:

Yard is to Fence as Cell is to

A) Mitochondria	B) Cytoplasm
C) Membrane	D) Nucleus

Answer & Explanation Answer: C) Membrane

Explanation:

Fence protects the Yard & Membrane protects the Cell.

Fence surrounds the Yard and allows the certain objects in & out of it whereas a Membrane surrounds the Cell & only allows specific nutrients inside of it.

Hence, Yard is to Fence as Cell is to Membrane.

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Filed Under: Analogy
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62 45368

Q:

Match the correct Memory units.

A) a-r, b-p, c-s, d-q	B) a-p,b-s, c-q, d-r
C) a-r, b-s, c-q, d-p	D) a-r, b-q, c-s, d-p

Answer & Explanation Answer: A) a-r, b-p, c-s, d-q

Explanation:

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Filed Under: Computer
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Q:

Select the related word/letters/number from the given alternatives.

Brave : Coward : : Culprit : ?

A) Hungry	B) Innocent
C) Accused	D) Indicted

Answer & Explanation Answer: B) Innocent

Explanation:

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Filed Under: Analogy
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0 45268

Q:

Which of the following statements are CORRECT?

I. Esters are sweet smelling substance.
II Esters are used in making perfumes.
III. Functional group of ester is R-O-RꞋ.

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

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