Other Puzzles Interview Questions 

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Reshma is standing in front of her room.Ramu is coming from
north towdars her and he can see
his shadow falling on his right.In which direction she is
standing?

iNautix 
8 
There are N secret agents each know a different piece of
secret information. They can telephone each other and
exchange all the information they know. After the telephone
call, they both know anything that either of them knew
before the call.
What are the minimum number of telephone calls needed so
that all of the them know everything? 
Microsoft 
8 
Each of the five characters in the word BRAIN has a
different value between 0 and 9. Using the given grid, can
you find out the value of each character?
B R A I N 31
B B R B A 31
N I A B B 32
N I B A I 30
I R A A A 23
37 29 25 27 29 

1 
An apple vendor has 1000 apples and 10 empty boxes. He asks
his son to place all the 1000 apples in all the 10 boxes in
such a manner that if he asks for any number of apples from
1 to 1000, his son should be able to pick them in terms of
boxes.
How did the son place all the apples among the 10 boxes,
given that any number of apples can be put in one box. 

1 
Substitute digits for the letters to make the following
subtraction problem true.
S A N T A
 C L A U S

X M A S
Note that the leftmost letter can't be zero in any word.
Also, there must be a onetoone mapping between digits and
letters. e.g. if you substitute 3 for the letter M, no other
letter can be 3 and all other M in the puzzle must be 3. 

1 
Yesterday in a party, I asked Mr. Shah his birthday. With a
mischievous glint in his eyes he replied. "The day before
yesterday I was 83 years old and next year I will be 86."
Can you figure out what is the Date of Birth of Mr. Shah?
Assume that the current year is 2000. 

6 
In a city, The police has surrounded the Bank. There are 50
people in the building. Each person is either an engineer or
a manager of the bank. All computer files have been deleted,
and all documents have been shredded by the managers. 
Google 
2 
Jim lies a lot. He tells the truth on only one day in a week.
One day he said: "I lie on Mondays and Tuesdays."
The next day he said: "Today is either Sunday, Saturday or
Thursday."
The next day he said: "I lie on Fridays and Wednesdays."
On which day of the week does Jim tell the truth? 
NCR 
4 
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Brain Teaser No
Three Gold (G) coins, three Silver (S) coins and three
Copper (C) coins are arranged in a single row as follow:
G S C G S C G S C
? Only 2 adjacent unlike coins can be moved at any one time.
? The moved coins must be in contact with at least one other
coin in line. i.e. no pair of coins is to be moved and
placed away from the remaining ones.
? No coin pairs can be reversed i.e. a SC combination must
remain in that order in its new positionwhen it is moved.
What is the minimum number of moves required to get all the
coins in following order?
C C C S S S G G G
Show all moves. 

1 
On evey Sunday Amar, Akbar and Anthony lunch together at
PreetamDaDhaba where they order lassi based on following
facts.
1. Unless neither Amar nor Akbar have lassi, Anthony must
have it.
2. If Amar does not have lassi, either Akbar or Anthony or
both have it.
3. Anthony has lassi only if either Amar or Akbar or both
have it.
4. Akbar and Anthony never have lassi together.
Who order(s) lassi? 

4 
A man is going to an Antique Car auction. All purchases must
be paid for in cash. He goes to the
bank and draws out $25,000.
Since the man does not want to be seen carrying that much
money, he places it in 15 evelopes
numbered 1 through 15. Each envelope contains the least
number of bills possible of any available
US currency (i.e. no two tens in place of a twenty).
At the auction he makes a successful bid of $8322 for a car.
He hands the auctioneer envelopes
number(s) 2, 8, and 14. After opening the envelopes the
auctioneer finds exactly the right amount.
How many ones did the auctioneer find in the envelopes? 

2 
All of the students at a college are majoring in psychology,
business, or both. 73% of the students are psychology
majors, & 62% are business majors.
If there are 200 students, how many of them are majoring in
both psychology & business? 

5 

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