Other Puzzles Interview Questions 

Question 
Asked @ 
Answers 

Write Eleven Lakh,Eleven Thousand,Eleven Hundred,Eleven in
figures. 
WinSoft 
10 
There are 8 stones which are similar except one which is
heavier than the others. To find it, you are given a pan
balance. What is the minimal number of weighing needed to
find out the heaviest stone ?

iFlex 
19 
You are seat in one room having switch board containing 3
switchs & its connection to bulb in another room (only one
is right connection).terms you can turn on max 2 buttons
and once you can go to see the answer which is right one? 

7 
A frog starts climbing 15 feet wall. Each hour he climbs 3
feet and rests for 30 minutes. During rest, he slips back 2
feet.
How many hours does the frog take to reach the top? 

12 
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. 
AthenaHealthCare 
1 
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? 

3 
There are 4 mathematicians  Brahma, Sachin, Prashant and
Nakul  having lunch in a hotel. Suddenly, Brahma thinks of
2 integer numbers greater than 1 and says, "The sum of the
numbers is..." and he whispers the sum to Sachin. Then he
says, "The product of the numbers is..." and he whispers the
product to Prashant. After that following conversation takes
place :
Sachin : Prashant, I don't think that we know the numbers.
Prashant : Aha!, now I know the numbers.
Sachin : Oh, now I also know the numbers.
Nakul : Now, I also know the numbers.
What are the numbers? Explain your 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?


9 
A lady has fine gloves and hats in her closet 18 blue, 32
red, and 25 yellow. The lights are out and it is totally
dark. In spite of the darkness, she can make out the
difference between a hat and a glove. She takes out an item
out of the closet only if she is sure that if it is a glove.
How many gloves must she take out to make sure she has a
pair of each color? 

2 
A number. if it is divided by 2 reminder 1,
if it is divided by 3 reminder 1,
if it is divided by 4 reminder 1,
if it is divided by 5 reminder 1,
if it is divided by 6 reminder 1,
if it is divided by 7 reminder 1,
if it is divided by 8 reminder 1,
if it is divided by 9 reminder 1,
if it is divided by 10 reminder 1,
and if it is divided by 11 reminder 0.
its greater then 100. which is that number.
this puzzle has been appeared in one of written
test(aptitude for 20 marks). 
NSN 
20 
how many zeros are there at the end of product between 1 to
100 
Infosys 
45 
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 

For more Puzzles Interview Questions Click Here 