| Other Puzzles Interview Questions |
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| Question | Asked @ | Answers |
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| 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 |
| Vipul was studying for his examinations and the lights went
off. It was around 1:00 AM. He lighted two uniform candles
of equal length but one thicker than the other. The thick
candle is supposed to last six hours and the thin one two
hours less. When he finally went to sleep, the thick candle
was twice as long as the thin one.
For how long did Vipul study in candle light?
| | 3 |
| A cow is standing 5 feet from the middle of the bridge .A
train is at a distance of 2 times length of the bridge from
direction in which cow is nearer to end of the bridge is
coming at a speed of 90 miles/hour.If cow moves towards
train it will be saved by 1 foot.If cow moves away from
train it will be hit by three inches of cow
(i)Find length of bridge
(ii)Find cows speed
| Infosys | 1 |
| Once a week a wagon driver leaves his hut and drives his
wagon to the river dock to pick up supplies for his town. At
4:05 PM, one-fifth of the way to the dock, he passes the
Temple. At 4:15 PM, one-third of the way, he passes the
Preetam-Da-Dhabaa.
At what time does he reached the dock? | | 1 |
| Tanya wants to go on a date and prefers her date to be tall,
dark and handsome.
1. Of the preferred traits - tall, dark and handsome - no
two of Adam, Bond, Cruz and Dumbo have the same number.
2. Only Adam or Dumbo is tall and fair.
3. Only Bond or Cruz is short and handsome.
4. Adam and Cruz are either both tall or both short.
5. Bond and Dumbo are either both dark or both fair.
Who is Tanya's date? | | 1 |
| 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 |
| 4. There are five caps , 3 black and 2 white. three
persons chander, sunder and maninder are standing one
behind the other in a queue. the first person in the queue
is chanbder and the last person is maninder . 3 caps
rfrom the lot of fivce is taken and put on their
heads. Maninder can see what the other two standing
in front are wearing . sunder can see what chander is
wearing. None of them can turn around and see what the
person standing behind is wearing , they do not know the
color of cap what they themselves are wearing . John comes
and asks maninder,"what is the color of the cap your
are wearing?", Maninder can see what sunder and chander
are wearing, and based on that he says he doesn't know.
sunder has over heard that answer. Now john asks
sunder" what is the colour of the cap you are wearing".
sunder can see chander and he has heard what maninder
has said, and based on that he says he doesn't know.
chander has overheard both sunder and maninder. so when
john asks chander the same question, he tells the
correct answer.
What is the colour of the cap that chander is weaRing ?
Please write in brief how did you reach to that
conclusion. | | 4 |
| Four friends - Arjan, Bhuvan, Guran and Lakha were
comparing the number of sheep that they owned.
It was found that Guran had ten more sheep than Lakha.
If Arjan gave one-third to Bhuvan, and Bhuvan gave a
quarter of what he then held to Guran, who then passed on a
fifth of his holding to Lakha, they would all have an equal
number of sheep.
How many sheep did each of them possess? Give the minimal
possible answer
| | 1 |
| In the town called Alibaug, the following facts are true:
? No two inhabitants have exactly the same number of hairs.
? No inhabitants has exactly 2025 hairs.
? There are more inhabitants than there are hairs on the
head of any one inhabitants.
What is the largest possible number of the inhabitants of
Alibaug? | | 1 |
| 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? | | 1 |
| In a kingdom far far away, the King decided that the time
has come to find a husband for his princess daughter. The
King wanted to find a worthy lad for his princess, so he
promised to give his daughter away to the first young (or
old) man who would solve the puzzle that has stumped the
best of his court mathematicians for years. The puzzle is
very simple: in a palace, there are 25 rooms arranged in a
square--5 rows of rooms with 5 rooms in each row. In every
room there is a light switch which not only switches on/off
the light in that room, but also switches the lights in the
adjacent rooms--the room to the right, to the left, the
room above and the room below. Initially, all of the
lights are turned off. The goal is to turn the lights on
in every room of the palace.
| Adobe | 6 |
| At the Party:
1. There were 9 men and children.
2. There were 2 more women than children.
3. The number of different man-woman couples possible was
24. Note that if there were 7 men and 5 women, then there
would have been 35 man-woman couples possible.
Also, of the three groups - men, women and children - at the
party:
4. There were 4 of one group.
5. There were 6 of one group.
6. There were 8 of one group.
Exactly one of the above 6 statements is false.
Can you tell which one is false? Also, how many men, women
and children are there at the party? | | 1 |
| A cube painted on all six sides by red color is divided
into 125 equal cubes find
i) number of cubes having
a)3 faces colored
b)2 faces colored
c) 1 face colored
d)0 faces colored
ii)Find probability of picking a cube having red face
| Infosys | 5 |
| 16*2/3*7*3/43*1/3=? | SBI | 8 |
| A woman took a certain number of eggs to the market and sold
some of them.
The next day, through the industry of her hens, the number
left over had been doubled, and she sold the same number as
the previous day.
On the third day the new remainder was tripled, and she sold
the same number as before.
On the fourth day the remainder was quadrupled, and her
sales the same as before.
On the fifth day what had been left over were quintupled,
yet she sold exactly the same as on all the previous
occasions and so disposed of her entire stock.
What is the smallest number of eggs she could have taken to
market the first day, and how many did she sell daily? Note
that the answer is not zero. | | 1 |
| Find out all possible groups of three different numbers that
add up to 13 and arrange them according to given condition.
If one number is 9, it must go with 1 and 3.
If one number is 8, it must go with either 1 and 4 or 2 and 3.
If one number is 7, it must go with either 1 and 5 or 2 and 4.
If one number is 6, it must go with either 2 and 5 or 3 and 4. | | 1 |
| There is a shortage of tubelights, bulbs and fans in a
village - Kharghar. It is found that
? All houses do not have either tubelight or bulb or fan.
? exactly 19% of houses do not have just one of these.
? atleast 67% of houses do not have tubelights.
? atleast 83% of houses do not have bulbs.
? atleast 73% of houses do not have fans.
What percentage of houses do not have tubelight, bulb and fan? | | 1 |
| There is a shortage of tubelights, bulbs and fans in a
village - Kharghar. It is found that
?All houses do not have either tubelight or bulb or fan.
?exactly 19% of houses do not have just one of these.
?atleast 67% of houses do not have tubelights.
?atleast 83% of houses do not have bulbs.
?atleast 73% of houses do not have fans.
What percentage of houses do not have tubelight, bulb and
fan?
| | 1 |
| Ali Baba had four sons, to whom he bequeathed his 39 camels,
with the proviso that the legacy be divided in the following
way :
The oldest son was to receive one half the property, the
next a quarter, the third an eighth and the youngest one
tenth. The four brothers were at a loss as how to divide the
inheritance among themselves without cutting up a camel,
until a stranger appeared upon the scene.
Dismounting from his camel, he asked if he might help, for
he knew just what to do. The brothers gratefully accepted
his offer.
Adding his own camel to Ali Baba's 39, he divided the 40 as
per the will. The oldest son received 20, the next 10, the
third 5 and the youngest 4. One camel remained : this was
his, which he mounted and rode away.
Scratching their heads in amazement, they started
calculating. The oldest thought : is not 20 greater than the
half of 39? Someone must have received less than his proper
share ! But each brother discovered that he had received
more than his due. How is it possible? | | 1 |
| How many possible combinations are there in a 3x3x3 rubics
cube?
In other words, if you wanted to solve the rubics cube by
trying different combinations, how many might it take you
(worst case senerio)?
How many for a 4x4x4 cube? | | 1 |
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