| Other Puzzles Interview Questions |
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| Question | Asked @ | Answers |
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| There is a grid of 20 squares by 10 squares. How many
different rectangles are possible?
Note that square is a rectangle. | | 1 |
| 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 |
| An emergency vehicle travels 10 miles at a speed of 50 miles
per hour.
How fast must the vehicle travel on the return trip if the
round-trip travel time is to be 20 minutes? | | 1 |
| Three friends divided some bullets equally. After all of
them shot 4 bullets the total number of bullets remaining is
equal to the bullets each had after division. Find the
original number divided. | | 1 |
| If A * [(B + C)(D - E) - F(G*H) ] / J = 10 What number is
ABCDEFGHJ where each letter is a digit? | | 9 |
| There is a safe with a 5 digit number as the key. The 4th
digit is 4 greater than the second digit, while the 3rd
digit is 3 less than the 2nd digit. The 1st digit is thrice
the last digit. There are 3 pairs whose sum is 11.
Find the number. | | 1 |
| 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 |
| Two identical pack of cards A and B are shuffled throughly.
One card is picked from A and shuffled with B. The top card
from pack A is turned up. If this is the Queen of Hearts,
what are the chances that the top card in B will be the King
of Hearts? | | 1 |
| Father's age is three years more than three times the son's
age. After three years, father's age will be ten years more
than twice the son's age.
What is the father's present age? | | 2 |
| To move a Safe, two cylindrical steel bars 7 inches in
diameter are used as rollers.
How far will the safe have moved forward when the rollers
have made one revolution? | | 1 |
| 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 |
| Yesterday in a party, I asked Mr. Shah his birthday. With a
mischievous glint in his eyes he replied. "The day before
yesterday I was 83 years old and next year I will be 86."
Can you figure out what is the Date of Birth of Mr. Shah?
Assume that the current year is 2000. | | 4 |
| Four persons A, B, C and D are playing cards.Each person
has one card, laid down on the table below him, which has
two different colours on either side. The colours visible
on the table are Red, Green, Red and Blue. They see the
color on the reverse side and give the following | Infosys | 4 |
| 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 |
| arrange these alphabets evenymroin in to three words | Avaya | 13 |
| Four prisoners escape from a prison.
The prisoners, Mr. East, Mr. West, Mr. South, Mr. North head
towards different directions after escaping.
The following information of their escape was supplied:
? The escape routes were North Road, South Road, East Road
and West Road
? None of the prisoners took the road which was their namesake
? Mr. East did not take the South Road
? Mr.West did not the South Road
? The West Road was not taken by Mr. East
What road did each of the prisoners take to make their escape | | 1 |
| 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? | | 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 X
minutes.
If the tank is empty initially and if all the three pipes A,
B and C are opened simultaneously, the tank will NEVER be
full. Give the maximal possible value of X. | | 1 |
| There were N stations on a railroad. After adding X stations
46 additional tickets have to be printed.
Find N and X. | | 1 |
| In a hotel, rooms are numbered from 101 to 550. A room is
chosen at random. What is the probability that room number
starts with 1, 2 or 3 and ends with 4, 5 or 6?
| | 2 |
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