| Other Puzzles Interview Questions |
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| Question | Asked @ | Answers |
| |
| My friend collects antique stamps. She purchased two, but
found that she needed to raise money urgently. So she sold
them for Rs. 8000 each. On one she made 20% and on the other
she lost 20%.
How much did she gain or lose in the entire transaction? | | 2 |
| Three friends divided some bullets equally. After all of
them shot 4 bullets the total number of bullets remaining
is equal to the bullets each had after division. Find the
original number divided. | TCS | 11 |
| Shahrukh speaks truth only in the morning and lies in the
afternoon, whereas Salman speaks truth only in the afternoon
and lies in the morning.
A says that B is Shahrukh.
Is it morning or afternoon and who is A - Shahrukh or Salman?
It is Afternoon and A can be Salman or Shahrukh. If A is
Salman, he is speaking truth. If A is Shahrukh, he is lying.
Want to confirm it? Consider following 4 possible answers
and check for its truthness individually. | | 2 |
| Sam and Mala have a conversation.
? Sam says I am certainly not over 40
? Mala says I am 38 and you are atleast 5 years older than me
? Now Sam says you are atleast 39
All the statements by the two are false. How old are they
really? | | 1 |
| A man went into a fast food restaurant and ate a meal
costing Rs. 105, giving the accountant a Rs. 500 note. He
kept the change, came back a few minutes later and had some
food packed for his girl friend. He gave the accountant a
Rs. 100 note and received Rs. 20 in change. Later the bank
told the accountant that both the Rs. 500 and the Rs. 100
notes were counterfeit.
How much money did the restaurant lose? Ignore the profit of
the food restaurant. | TCS | 8 |
| 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? | | 1 |
| In a sports contest there were m medals awarded on n
successive days (n > 1).
1. On the first day 1 medal and 1/7 of the remaining m - 1
medals were awarded.
2. On the second day 2 medals and 1/7 of the now remaining
medals was awarded; and so on.
3. On the nth and last day, the remaining n medals were awarded.
How many days did the contest last, and how many medals were
awarded altogether? | | 1 |
| Four prisoners escape from a prison.
The prisoners, Mr. East, Mr. West, Mr. South, Mr. North head
towards different directions after escaping.
The following information of their escape was supplied:
? The escape routes were North Road, South Road, East Road
and West Road
? None of the prisoners took the road which was their namesake
? Mr. East did not take the South Road
? Mr.West did not the South Road
? The West Road was not taken by Mr. East
What road did each of the prisoners take to make their escape | | 1 |
| Consider a number 235, where last digit is the sum of first
two digits i.e. 2 + 3 = 5.
How many such 3-digit numbers are there?
| | 3 |
| In Mr. Mehta's family, there are one grandfather, one
grandmother, two fathers, two mothers, one father-in-law,
one mother-in-law, four children, three grandchildren, one
brother, two sisters, two sons, two daughters and one
daughter-in-law.
How many members are there in Mr. Mehta's family? Give
minimal possible answer.
| | 1 |
| SlowRun Express runs between Bangalore and Mumbai, For the
up as well as the down journey, the train leaves the
starting station at 10:00 PM everyday and reaches the
destination at 11:30 PM after three days.
Mr. Haani once travelled by SlowRun Express from Mumbai to
Bangalore. How many SlowRun Express did he cross during his
journey? | | 1 |
| Mrs. Watsherface had a garage sale. A custmer named Gina
bought an old lamp and a rug. She paid a total of $5.25 for
everything. The rug cost 25 cents more than the lamp.
How much did each cost? | | 1 |
| 3. During a recent school reunion, four men were
discussing their starting salaries back in 1962. the
salaries in questring were 8, 10,12 and 14 thousand pounds
per year. of course the MP earned the most. Alan
earned more than Brian and the doctor earned more thanb
Derek, the vet. carles could not remember what he
started on. Brian, the lawyer, did not start on 10,000
pounds nor did Derek. can you determine who has which job
and their starting salaries? | | 2 |
| Implement a multiple-reader-single-writer lock given a
compare-and-swap instruction. Readers cannot overtake
waiting writers. | | 1 |
| Arrange five planets such that 4 of them add up to 5th
planet numerically. Each of the letters of the planet should
represent a unique number from the range 0 - 9. You have to
use all ten digits.
There is an amazing mathematical relationship exists among
the names of the planet. | | 1 |
| A,B,C,D are four teams.Three guys x,y,z comment about
matches between four teams ,
X said either A or B will win
Y says A will never win
Z says C or B will not win
only one of them is correct then who won the match.
| Infosys | 7 |
| If one person sends the e-mail to two friends, asking each
of them to copy the mail and send it to two of their
friends, those in turn send it to two of their friends and
so on.
How many e-mails would have been sent by the time it did 30
sets? | | 1 |
| Substitute digits for the letters to make the following
addition problem true.
W H O S E
T E E T H
A R E
+ A S
-------------------
S W O R D S
Note that the leftmost letter can't be zero in any word.
Also, there must be a one-to-one mapping between digits and
letters. e.g. if you substitute 3 for the letter H, no other
letter can be 3 and all other H in the puzzle must be 3. | | 1 |
| 1.At the recent web developres bowling match,two ganes were
played.Kiev beat stuart in both games;also Richard beat John
in both games.The winner in game1 second in game2.Richard
won game2 and John beat stuart in game1.No player got the
same placing twice.Can you determine who finished where in
each game? | QA | 2 |
| Replace each letter by a digit. Each letter must be
represented by the same digit and no beginning letter of a
word can be 0.
O N E
O N E
O N E
+ O N E
-------
T E N
Use trial and error. 0 =1, N = 8 ,E = 2, T = 7
1 8 2
1 8 2
1 8 2
+ 1 8 2
------
7 2 8
A man is on a search for Atlantis and comes upon an island
where all the inhabitants know whether Atlantis is still
around or not.
However, all of the inhabitants are either Fairies or Trolls
and they all use a spell to appear humanoid so you cannot
tell which is which. And the Faries always tell the truth
and the Trolls always lie, but there is a slight
complication, some of the Fairies have gone insane and
always lie and some of the Trolls have also gone insane and
always tell the truth.
So here is your task: you must ask the first inhabitant that
you come to ONE question and from that ONE question you must
determine wether Atlantis is still around or not.
What is the question that you must ask? | Infosys | 1 |
| |
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