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Q:

What goes up and down the stairs without moving?

A) Umbrella B) Lift
C) Stairs D) All the above
 
Answer & Explanation Answer: C) Stairs

Explanation:

Those are stairs which goes up and down without moving.

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Filed Under: Logic Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

In recombinant DNA methods, the term vector can refer to

A) the sticky end of a DNA fragment B) a plasmid used to transfer DNA into a living cell
C) a DNA probe used to identify a particular gene D) the enzyme that cuts DNA into restriction fragments
 
Answer & Explanation Answer: B) a plasmid used to transfer DNA into a living cell

Explanation:

The term 'Vector' in recombinant DNA methods, refers to a plasmid or other agent used to transfer DNA into a living cell.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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Q:

Which of the following places is associated with Jainism?

A) Pava B) Prayag
C) Shravasti D) Kapilvastu
 
Answer & Explanation Answer: A) Pava

Explanation:
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Filed Under: Indian History

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Q:

The second Five Year plan was based on

A) Mahalanobis Model B) Vakil and Brahmananda's Wage -Goods Model
C) Harrod - Domar Growth Model D) Solow Growth Model
 
Answer & Explanation Answer: A) Mahalanobis Model

Explanation:
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Filed Under: Indian Economy

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Q:

Answer the Following Puzzle.

Number Puzzles Questions and Answers

A) 9 B) 5
C) 4 D) 6
 
Answer & Explanation Answer: D) 6

Explanation:

Looking at the diagram in  rows, the central circle equals half the sum of the numbers in the other circles to the left and right of the centre.

 

Looking at the diagram in rows, the central circle equals half the sum of the numbers in the other circles to the left and right of the centre. - See more at: https://www.theonlinetestcentre.com/number-puzzles.html#1
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Filed Under: Number Puzzles

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Q:

Logical puzzle

At a restaurant, how could you choose one out of three desserts with equal probability with the help of a coin? What if the coin is biased and the bias is unknown?

Answer

Our solution:


Toss the coin twice.
Let TH, HT and TT correspond to the three choices.
And if you get HH, just repeat (so it takes 8/3 tosses on average).


BIASED COIN

If the coin was biased, TH and HT would occur with equal probability.
So you could assign THHT, HTTH and THTH to the three choices, with other 4-toss outcomes rejected.
Or you could assign HTT, THT and TTH to the three choices, with other 3-toss outcomes rejected.

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Subject: Logic Puzzles

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Q:

Find the number of triangles in the given figure?

Answer

26.

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

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Q:

In computer short cut keys, F4 key is used to

A) To display the items in the active list B) To display help
C) To display system properties dialog box D) To display desktop
 
Answer & Explanation Answer: A) To display the items in the active list

Explanation:

To display the items in the active list.

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Filed Under: Computer
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