| Other Puzzles Interview Questions |
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| Question | Asked @ | Answers |
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| A number of 9 digits has the following properties:
? The number comprising the leftmost two digits is
divisible by 2, that comprising the leftmost three digits
is divisible by 3, the leftmost four by 4, the leftmost
five by 5, and so on for the nine digits of the number i.e.
the number formed from the first n digits is divisible by
n, 2<=n<=9.
? Each digit in the number is different i.e. no
digits are repeated.
? The digit 0 does not occur in the number i.e. it is
comprised only of the digits 1-9 in some order.
Find the number.
| | 3 |
| Four couples are going to the movie. Each row holds eight
seats. Betty and Jim don't want to sit next to Alice and
Tom. Alice and Tom don't want to sit next to Gertrude and
Bill. On the otherhand, Sally and Bob don't want to sit next
to Betty and Jim.
How can the couples arrange themselves in a row so that they
all sit where they would like? | | 1 |
| The secret agent X emailed some code to his head office.
They are "RADAR, LEVEL, ROTOR, REDIVIDER, MOTOR". But four
of these five words have something in common and one is fake.
Can you tell which one is fake? Ignore the fact that four of
the code-words are of the same length. | | 2 |
| The letters P, Q, R, S, T, U and V, not necessarily in that
order represents seven consecutive integers from 22 to 33.
? U is as much less than Q as R is greater than S.
? V is greater than U.
? Q is the middle term.
? P is 3 greater than S.
Can you find the sequence of letters from the lowest value
to the highest value? | | 1 |
| 3 blocks are chosen randomly on a chessboard. What is the
probability that they are in the same diagonal? | | 1 |
| A B C
D
E F G
H
I
Each of the digits from 1 to 9 is represented by a different
letter above. Also, A + B + C = C + D
+ E = E + F + G = G + H + I = 13
Which digit does E represent? | | 6 |
| Amit, Bhavin, Himanshu and Rakesh are sitting around a table.
? The Electonics Engineer is sitting to the left of the
Mechanical Engineer.
? Amit is sitting opposite to Computer Engineer.
? Himanshu likes to play Computer Games.
? Bhavin is sitting to the right of the Chemical Engineer.
Can you figure out everyone's profession? | | 1 |
| Substitute digits for the letters to make the following
Division true
Y F Y
-----------
A Y | N E L L Y
| N L Y
----------------
P P L
P N H
----------
N L Y
N L Y
----------
0 0 0
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 N, no other
letter can be 3 and all other N in the puzzle must be 3. | | 1 |
| There is a perfect sphere of diameter 40 cms. resting up
against a perfectly straight wall and a perfectly straight
floor i.e. the wall and the floor make a perfect right angle.
Can a perfect sphere of diameter 7 cms. pass through the
space between the big sphere, the wall and the floor?
Support your answer with valid arguments. Don't submit just
"Yes" or "No". | | 3 |
| You have four 9's and you may use any of the (+, -, /, *) as
many times as you like. I want to see a mathematical
expression which uses the four 9's to = 100
How many such expressions can you make? | | 1 |
| Somebody marked the six faces of a die with the numbers 1, 2
and 3 - each number twice. The die was put on a table. Four
people - Abu, Babu, Calu and Dabu - sat around the table so
that each one was able to see only three sides of the die at
a glance.
? Abu sees the number 1 and two even numbers.
? Babu and Calu can see three different numbers each.
? Dabu sees number 2 twice and he can't remember the third
number.
What number is face down on the table? | | 1 |
| Three convicts are brought into the warden's office. He says
he can parole one of them and to decide which one he will
parole he takes out 5 hats (3 red and 2 white). He stands
behind them and places a hat on each one of their heads and
puts the other two remaining hats in a drawer.
He tells the prisioners they can look at the others hats and
if they can tell which hat they have on they will be the one
who is paroled.
The first man looks at the other two and says, "I don't know."
The second man looks at the others hats and says, "I don't
know."
The third man who is blind says, "Even though I have not the
gift of sight I can tell by what the others have said that
the color of my hat is..."
What color is the blind mans hat and how does he know? | Bally-Technologies | 2 |
| Given the following facts:
1. Dinesh is younger than Farukh and older than Gurmit.
2. Jatin is younger than Chandu and older than Eshrat.
3. Amit is younger than Irfan and older than Chandu.
4. Farukh is younger than Bhavin and older than Hemant.
5. Irfan is younger than Gurmit and older than Jatin.
6. Hemant is older than Gurmit.
Who is the Youngest? | | 1 |
| A tank can be filled by pipe A in 30 minutes and by pipe B
in 24 minutes. Outlet pipe C can empty the full tank in one
hour and twenty minutes.
If the tank is empty initially and if all the three pipes A,
B and C are opened simultaneously, in how much time will the
tank be full? | | 1 |
| Pinto says, "The horse is not Black."
Sandy says, "The horse is either Brown or Grey."
Andy says, "The horse is Brown."
At least one is telling truth and at least one is lying.
Can you tell the color of the horse? | | 2 |
| 5. There are e 3 jars of diferent sizes. one jar holds 8
liters of milk, the other 2 jars of 5 liters and 3
liters are empty. there is no measuring level or marks in
all the jars. Jugle between these 3 jars and get 2 jars
containing 4 liters each at the end. | | 7 |
| Consider the sum: ABC + DEF + GHI = JJJ
If different letters represent different digits, and there
are no leading zeros, what does J represent? | | 1 |
| can anyone provide the answer for the puzzle below
There are 25 horses,in each race only 5 horses can
participate.how many races are required to select best 5
horses out of 25.
need answer with detailed explanation | Wipro | 18 |
| 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 |
| A worker earns a 5% raise. A year later, the worker receives
a 2.5% cut in pay, & now his salary is Rs. 22702.68
What was his salary to begin with? | | 2 |
| |
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