Other Puzzles Interview Questions 

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There are 3 lights (in one room) and 3 swtiches (in another
room), one for each, if you only enter into the light room
once. How can you find out which switch corresponds to which
light? 
Lucent 
12 
A positive integer that, when added to 1000 gives a sum
which is greater than when multiplied by 1000.
Find the positive integer. 

6 
if 8men works 8hrs per day for 8days get rs.45,then how many
men required if the work is 5hrs per day for 10days they get
rs.60?(want solution with steps) 
Syntel 
4 
Replace the letters with the correct numbers.
T W O
X T W O

T H R E E 

3 
how many coins do i have in my pocket


10 
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. 

2 
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? 
Temenos 
16 
An orange colored glass has Orange juice and white colored
glass has Apple juice both of equal volumes. 50ml of the
orange juice is taken and poured into the white glass. After
that similarly, 50ml from the white glass is poured into the
orange glass.
Of the two quantities, the amount of apple juice in the
orange glass and the amount of orange juice in the white
glass, which one is greater and by how much? 
marketRx 
5 
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 
Three friends went to hotel for breakfast . After having breakfast total bill was Rs 25 . Each one contributed Rs 10. So total was Rs 30 . 30 is paid. waiter gave Rs 5 back to them . Three friend gave Rs 2 tips to waiter . From remaining Rs 3 each one took one rupee. As each one contributed ten . And each friend recieved one rupee back. Means each one had breakfast in nine rupee. So three friend had breakfast in 9+9+9=27. And Rs 2 is given to tips to waiter. So total money for breakfast for three friend was 27+2=29. Where is remaining one rupee? 
IIT 
2 
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 
justify 11=11... 

1 

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