You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.
Can you tell the eye color of the cab driver?
One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?
The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.
Boxes are labeled but all labels are wrong!
You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.
How many such operations are necessary to correctly label the boxes?
Count the number of lines in the image below ?
Rectify the following equality 101 - 102 = 1 by moving just one digit.
A man dies of old age on his 25 birthday. How is this possible?
Who can jump higher than a Mountain?
Count the squares in the matchstick puzzle below?
You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:
Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10
Now, how many of each must you buy to fulfil the condition given?
Can you find out the next digit in the following series ?
0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?
In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.