Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?
It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?
Decode below three cipher riddles: 26 L of the A 7 D of the W 1000 Y in a M
Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?
O_er_t_o_ Complete the missing letters of the given word.
Find three numbers such that * When we multiply three numbers, we will get the prime numbers. * The difference between the second and the first number is equal to the third and second.
Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?
Which is heavier: a ton of bricks or a ton of feathers?
What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
You have two buckets of 11 liters and 6 litres. How can you measure exactly 8 litres?
What is both possible and impossible at the same time?
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.