Home
About Us
Blog
Interview Questions
Contact Us
ASK A QUESTION
×
Welcome, guest
Login
Register
Lost Password?
Puzzles
407
Questions
Categories
Puzzles
Ask question
Order By
Tag
Clear Filter
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.
54 views
Puzzles
0
Votes
0
Ans
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?
31 views
Puzzles
0
Votes
0
Ans
500 men are arranged in an array of 10 rows and 50 columns according to their heights. Tallest among each row of all are asked to come out. And the shortest among them is A. Similarly after resuming them to their original positions, the shortest among each column are asked to come out. And the tallest among them is B. Now who is taller A or B ?
22 views
Puzzles
0
Votes
0
Ans
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?
30 views
Puzzles
0
Votes
0
Ans
What is the remainder left after dividing 1! + 2! + 3! + ? + 100! By 7?
35 views
Puzzles
0
Votes
0
Ans
One side of the bottom layer of a triangular pyramid has 12 balls. How many are there in the whole pyramid? Note that the pyramid is equilateral and solid.
7 views
Puzzles
0
Votes
0
Ans
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.
8 views
Puzzles
0
Votes
0
Ans
In the middle of the confounded desert, there is the lost city of "Ash". To reach it, I will have to travel overland by foot from the coast. On a trek like this, each person can only carry enough rations for five days and the farthest we can travel in one day is 30 miles. Also, the city is 120 miles from the starting point.
What I am trying to figure out is the fewest number of persons, including myself, that I will need in our Group so
that I can reach the city, stay overnight, and then return to the coast without running out of supplies.
How many persons (including myself) will I need to accomplish this mission?
11 views
Puzzles
0
Votes
0
Ans
At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand?
16 views
Puzzles
0
Votes
0
Ans
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?
2 views
Puzzles
0
Votes
0
Ans
There are four groups of Mangoes, Apples and Bananas as follows: Group I : 1 Mango, 1 Apples and 1 Banana Group II : 1 Mango, 5 Apples and 7 Bananas Group III : 1 Mango, 7 Apples and 10 Bananas Group IV : 9 Mango, 23 Apples and 30 Bananas Group II costs Rs 300 and Group III costs Rs 390. Can you tell how much does Group I and Group IV cost?
8 views
Puzzles
0
Votes
0
Ans
Tic-Tac-Toe is being played. One 'X' has been placed in one of the corners. No 'O' has been placed yet.
Where does the player that is playing 'O' has to put his first 'O' so that 'X' doesn't win?
Assume that both players are very intelligent. Explain your answer
3 views
Puzzles
0
Votes
0
Ans
Find the smallest number such that if its rightmost digit is placed at its left end, the new number so formed is precisely 50% larger than the original number.
5 views
Puzzles
0
Votes
0
Ans
Two identical pack of cards A and B are shuffled thoroughly. 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?
5 views
Puzzles
0
Votes
0
Ans
There are 3 ants at 3 corners of a triangle, they randomly start moving towards another corner.
What is the probability that they don't collide?
10 views
Puzzles
0
Votes
0
Ans
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?
7 views
Puzzles
0
Votes
0
Ans
There are 3 persons X, Y and Z. On some day, X lent tractors to Y and Z as many as they had. After a month Y gave as many tractors to X and Z as many as they have. After a month Z did the same thing. At the end of this transaction each one of them had 24. Find the tractors each originally had?
8 views
Puzzles
0
Votes
0
Ans
There is a 50m long army platoon marching ahead. The last person in the platoon wants to give a letter to the first person leading the platoon. So while the platoon is marching he runs ahead, reaches the first person and hands over the letter to him and without stopping he runs and comes back to his original position. In the mean time the whole platoon has moved ahead by 50m. The question is how much distance did the last person cover in that time. Assuming that he ran the whole distance with uniform speed.
9 views
Puzzles
0
Votes
0
Ans
What is the four-digit number in which the first digit is 1/3 of the second, the third is the sum of the first and second, and the last is three times the second?
5 views
Puzzles
0
Votes
0
Ans
Difference between Bholu's and Molu's age is 2 years and the difference between Molu's and Kolu's age is 5 years.
What is the maximum possible value of the sum of the difference in their ages, taken two at a time?
5 views
Puzzles
0
Votes
0
Ans
1
2
3
…
20
21
Next »