| Other Puzzles Interview Questions |
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| Question | Asked @ | Answers |
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| How many ways are there of arranging the sixteen black or
white pieces of a standard international chess set on the
first two rows of the board?
Given that each pawn is identical and each rook, knight and
bishop is identical to its pair.
| | 1 |
| Gomzi has 3 timepieces in his house - a wall clock, an alarm
clock and a wristwatch. The wristwatch is always accurate,
whereas the wall clock gains 2 minutes everyday and the
alarm clock loses 2 minutes everyday.
At exactly midnight last night, all three watches were
showing the same time.
If today is 25 July 2003, then on which date all three
clocks will show the same time again? | | 3 |
| Everyday in his business a merchant had to weigh amounts
from 1 kg to 121 kgs, to the nearest kg. What are the
minimum number of different weights required and how heavy
should they be? | | 2 |
| A mule and a donkey were carrying full sacks on their backs.
The mule started complaining that his load was too heavy.
The donkey said to him "Why are you complaining? If you gave
me one of your sacks I'd have double what you have and if I
give you one of my sacks we'd have an even amount."
How many sacks were each of them carrying? Give the minimal
possible answer. | | 1 |
| A cube is made of a white material, but the exterior is
painted black.
If the cube is cut into 125 smaller cubes of exactly the
same size, how many of the cubes will have
atleast 2 of their sides painted black? | | 2 |
| Write 1111......(243 times) i.e. a 243 digit number with all
1s.
Prove that it is divisible by 243. | | 1 |
| Replace the letters with the correct numbers.
T W O
X T W O
---------
T H R E E | | 3 |
| Sachin, Dravid and Ganguly played in a Cricket match between
India and England.
? None of them scored more than 99 runs.
? If you add the digits of the runs scored by Sachin to his
own score, you will get the runs scored by Dravid.
? If you reverse the digits of the runs scored by Dravid,
you will get the runs scored by Ganguly.
? The total runs scored by them is 240.
Can you figure out their individual scores? | | 1 |
| If a rook and a bishop of a standard chess set are randomly
placed on a chessboard, what is the probability that one is
attacking the other?
Note that both are different colored pieces. | | 1 |
| You have a bucket of jelly beans. Some are red, some are
blue, and some green. With your eyes closed, pick out 2 of a
like color.
How many do you have to grab to be sure you have 2 of the same?
You have a bucket of jelly beans. Some are red, some are
blue, and some green. With your eyes closed, pick out 2 of a
like color.
How many do you have to grab to be sure you have 2 of the same? | | 1 |
| can u prove that 1=2?
is it possible? | | 9 |
| Sarika multiplied 414 by certain number and obtained 69958
as the answer. But she found that there is some error in the
answer - both the 9s in the answer are wrong and all the
other digits are correct.
Can you find the correct answer? | | 2 |
| During a recent school reunion,four men were discussing
their starting salaries back in 1962.The salaries in
question were 8,10,12 and 14 thousand pounds per year.of
course the MP earned the most.Alan earned more thean brain
and the doctor earnd more than Derek,the vet.charles could
not remember what he started on.Brain,the lawyer,didnot
start on 10,000pounds nor did Derek.can you determine who
has which job and their starting salaries? | QA | 1 |
| There are 70 employees working with BrainVista of which 30
are females. Also,
? 30 employees are married
? 24 employees are above 25 years of age
? 19 married employees are above 25 years, of which 7 are males
? 12 males are above 25 years of age
? 15 males are married.
How many unmarried females are there and how many of them
are above 25? | | 1 |
| Three containers are of 15,10 and 6 ltrs capacity.
Initially its in configuration (15,0,0). Make it to
configuration (2,8,5). | | 4 |
| Veeru says to Jay, "Can you figure out how many Eggs I have
in my bucket?" He gives 3 clues to Jay: If the number of
Eggs I have
1. is a multiple of 5, it is a number between 1 and 19
2. is not a multiple of 8, it is a number between 20 and 29
3. is not a multiple of 10, it is a number between 30 and 39
How many Eggs does Veeru have in his bucket? | | 1 |
| A blindfolded man is asked to sit in the front of a carrom
board. The holes of the board are shut with lids in random
order, i.e. any number of all the four holes can be shut or
open.
Now the man is supposed to touch any two holes at a time and
can do the following.
? Open the closed hole.
? Close the open hole.
? Let the hole be as it is.
After he has done it, the carrom board is rotated and again
brought to some position. The man is again not aware of what
are the holes which are open or closed.
How many minimum number of turns does the blindfolded man
require to either open all the holes or close all the holes?
Note that whenever all the holes are either open or close,
there will be an alarm so that the blindfolded man will know
that he has won. | | 2 |
| Assume for a moment that the earth is a perfectly uniform
sphere of radius 6400 km. Suppose a thread equal to the
length of the circumference of the earth was placed along
the equator, and drawn to a tight fit.
Now suppose that the length of the thread is increased by 12
cm, and that it is pulled away uniformly in all directions.
By how many cm. will the thread be separated from the
earth's surface? | | 3 |
| When a bottle full of honey was weighed, its weight was 1
kilogram. When the bottle was weighed with half the honey,
its weight was 600 grams. What is the weight of the bottle? | | 9 |
| 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 |
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