Analyst Questions


Q:

125 over 1000 in Simplest Form?

A) 2/9 B) 1/8
C) 3/8 D) 4/7
 
Answer & Explanation Answer: B) 1/8

Explanation:

125 over 1000 in Simplest Form means 1251000 in its simple fraction form.

 

Now, to get the simplest form of 125/1000, find the HCF or GCD of both numerator and denominator i.e, 125 and 1000.

 

HCF of 125, 1000 = 125

 

Then, divide both numerator and denominator by 125

i.e, 1251251000125 = 18

 

Hence, 18 is the simplest form of 125 over 1000.

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Filed Under: Decimal Fractions
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Q:

An observer 1.6 m tall is 203away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The heights of the tower is:

A) 21.6 m B) 23.2 m
C) 24.72 m D) None of these
 
Answer & Explanation Answer: A) 21.6 m

Explanation:

 

 

 

 Draw BE // CD

 

Then, CE = AB = 1.6 m,

 

BE = AC =

 DEtan30=> DE = tan30 x 203=> DE = 13x203 = 20

 

Therefore, CD = CE + DE = (1.6 + 20) m = 21.6 m.

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Filed Under: Height and Distance
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24 24301
Q:

Find the next number in the given number sequence?

9, 19, 21, 43, 45, ...

A) 88 B) 54
C) 91 D) 49
 
Answer & Explanation Answer: C) 91

Explanation:

The given number series 9, 19, 21, 43, 45, ... follows a pattern that

ALternately (x 2 + 1) and  (x 1 + 2)

9 x 2 + 1 = 19

19 x 1 + 2 = 21

21 x 2 + 1 = 43

43 x 1 + 2 = 45

45 x 2 + 1 = 91

 

Hence, the next number in the given sequence is 91.

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Filed Under: Number Series
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Q:

D.D.T. was invented by

A) Paul Muller B) John Dalton
C) Rudolf D) None of these
 
Answer & Explanation Answer: A) Paul Muller

Explanation:

Swiss chemist Paul Hermann Muller discovered DDT (dichloro-diphenyl-trichloroethane) noted its effectiveness as a pesticide during World War II to control malaria and typhus among civilians and troops, a discovery that earned him a Nobel Prize in 1948.

 

It was first synthesized in the year 1874.

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Filed Under: Inventions
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67 24097
Q:

Pointing to a photograph, a man said, "I have no brother or sister but that man’s father is my father’s son." Whose photograph was it?

A) His uncle's B) His nephew's
C) His son's D) His Cousin's
 
Answer & Explanation Answer: C) His son's

Explanation:

Since the narrator has no brother, his father’s son is he himself. So, the man who is talking is the father of the man in the photograph. Thus, the man in the photograph is his son.

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Filed Under: Blood Relations
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43 23974
Q:

Which of the following is not a valid escape code?

A) " B) \
C) ' D) =
 
Answer & Explanation Answer: D) =

Explanation:

The valid escape codes in programming languages are ', ", \, n, or t are the valid escape codes. 

 

For example, the sequence \n usually represents a newline, while the escape sequence \\ represents a backslash, \t usually represents a newtab.

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42 23912
Q:

Which of the following are examples of plagiarism?

 

I. Using someone else's idea in your own writing, and including an in-text citation that links to a works-cited list.
II. Using someone else's words in your writing without putting quotation marks around them.
III. Reproducing a drawing or diagram without including information about where you found it.

A) II only B) I only
C) I and III only D) II and III only
 
Answer & Explanation Answer: D) II and III only

Explanation:

Plagiarism is when you copy someone's work and try to pass it off as your own. Plagiarism can be a violation of copyright laws and can be considered cheating, resulting in you getting a failing grade or even being kicked out of school.

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Filed Under: Marketing and Sales
Job Role: Analyst

1 23903
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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