Questions

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

18 4898
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

21 4895
Q:

The first space rocket to hit the moon was 

A) Apollo II B) Luna 9
C) Lunik 2 D) Zond 5
 
Answer & Explanation Answer: A) Apollo II

Explanation:
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Filed Under: General Awareness

4 4895
Q:

Which of these is a receptor molecule?

cell1528281904.jpg image

A) A B) B
C) C D) E
 
Answer & Explanation Answer: B) B

Explanation:

The receptor molecules, which receive signals from outside the cell, passing the signal to the inside.

 

In order for a nerve cell, or any cell, to perceive its environment, it needs a sensory apparatus. And for an individual cell, most of that sensation is derived at the cell surface. So, it expresses on its cell surface proteins that span across the membrane.

In the outside world, these proteins can act to receive signals, catching molecules on the outside and then as the molecule passes to the inside of the cell, they can send signals like alarm signals that can tell the cell that a particular molecule is outside.

 

Hence, here B is the receptor cell.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

4 4894
Q:

Which planet rotates clockwise?

A) Uranus B) Saturn
C) Venus D) Earth
 
Answer & Explanation Answer: C) Venus

Explanation:

Venus is the only planet that rotates in clockwise where all other planets in the solar system rotates in anti - clockwise direction.

 

which_planet_rotates_clockwise1556602727.jpg image

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6 4893
Q:

The worst affected state of India, by the menace of sea erosion is ________

A) Kerala B) Orissa
C) Gujarat D) Andhra Pradesh
 
Answer & Explanation Answer: A) Kerala

Explanation:
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Filed Under: Indian Geography

10 4888
Q:

A fixture is defined as a device which

A) is used to check the accuracy of workpiece B) holds and locates a workpiece and guides and controls one or more cutting tools
C) holds and locates a workpiece during an inspection or for a manufacturing operation D) All of the above
 
Answer & Explanation Answer: B) holds and locates a workpiece and guides and controls one or more cutting tools

Explanation:

A_fixture_is_defined_as_a_device_which1551357222.jpg image

A fixture is defined as a device which holds and locates a workpiece and guides and controls one or more cutting tools.

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

1 4887
Q:

Which city has topped the list of most expensive cities for expatriates, according to Mercer’s 2017 Cost of Living Survey  ?

A) Zurich B) Launda
C) Germany D) Toyko
 
Answer & Explanation Answer: B) Launda

Explanation:

Luanda, the capital of Angola, has topped the list of most expensive cities for expatriates, according to Mercer’s 23rd annual Cost of Living Survey. Hong Kong has acquired 2nd position, followed by Tokyo, Zurich, Singapore, Seoul and Geneva. From India, Mumbai is the most expensive city for expatriates that has ranked 57th on the list, followed by New Delhi (99), Chennai (135), Bangalore (166) and Kolkata (184). The Mercer’s survey includes 209 cities across five continents. The world’s least expensive cities for expatriates, according to Mercer’s survey, are Tunis (209), Bishkek (208) and Skopje (206). Mercer’s authoritative survey is one of the world’s most comprehensive, and is designed to help multinational companies and governments determine compensation allowances for their expatriate employees.

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

10 4886