#661 - Button Confusion Trivia Riddle

A very interesting trivia question for all.

Why do men shirts have their buttons on the right side and women have buttons on the left-hand side?

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The answer is our history. Most men are right handed and if the button is on the right, it is easy for them to fasten the buttons if they are on the right side. Hence their button is on the right side.
When shirt with buttons was introduced then it can be afforded only by rich people. Rich lady often has maids and maids face the ladies and it is easier for them to fasten the buttons if the buttons are on the left side.

#662 - QuickFire Talk Riddle

How can one talk without saying a single word?

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Sms/Chat/Using hand symbols

#663 - Trick Statement Riddle

Anmol is looking at Nikita, but Nikita is looking at Mayank. Anmol is married, but Mayank is not. Is married person looking at the unmarried person?

A) Yes
B) No
C) Insufficient information

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Yes

If Nikita is married, Mayank who is unmarried is looking ar Nikita who is married.
If Nikita is unmarried, then Anmol who is married is looking at Nikita who is unmarried.

#664 - Warm Cold Puzzle

Can you maneuver word "warm" to form word "cold" in four steps? In every step, you can replace one alphabet each such that every time the new word created is an acceptable English word.

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Ward => Word => Cord => Cold

#665 - Charity Tennis Match Puzzle

In Dubai at the charity event, Federal and Nadal played exactly five matches. Both wins exactly an equal number of matches.

How is this possible?

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They do not plan against each other.

#666 - Strange Birthday Puzzle

Today, I celebrated my 32nd birthday but I was born in 1971.
How is this possible ?

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I was born in Hospital whose room number is 1971.

#667 - Test Critical Thinking Interview Questio

This is the interview puzzle asked to my friend in an interview of "blackrock".
As shown in the picture below, There is a circular car race track of 10km. There are two cars, we called them Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100m / seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5hours all three stop moving.
What is the total distance covered by the bug?

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As we know bug travels at a constant speed of 1m/seconds
=> in 5 hours
=> 5 * 60 * 60 meters
=> 18km.

#668 - Hard Missing Number Series

Can you complete below number series by replacing "?" with the correct number.

10 # 10 # 20 # ? # 110 # 300 # 930

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45

Pattern goes like
10
10 * 0.5 + 5 => 10
10 * 1.0
+ 10 => 20
20 * 1.5 + 15 => 45(Ans)
45 * 2.0 + 20 => 110
110 * 2.5 + 25 => 300
300 * 3.0 + 30 => 930

#669 - Correct Dress Probability Problem

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

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1/3

Explanation
Assuming D1 is the dress for Sister1, D2 is the dress for Sister2 and D3 is the dress for Sister3.

Therefore the total number of cases are illustrated below.

Sister1 Sister2 Sister3
D1 D2 D3
D1 D3 D2
D2 D1 D3
D2 D3 D1 ..... (1)
D3 D1 D2 .... (2)
D3 D2 D1

In both steps (1) & (2), no one gets the correct Dress.
Therefore probability that no sister gets the correct dress is 2/6 = 1/3

#670 - Hardest Chess Board Puzzle Ever

This is a hardest chess board puzzle that I have been asked.In the picture below you can see that white army is arranged. You need to add black army in the board such that no piece is under any threat.Note: Army comprised of 1 king 1 queen 2 rooks 2 bishops 2 knights 8 pawns

Hardest Chess Board Puzzle Ever
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Can be solved