Can you find out the missing number in the grid?

What came first, the chicken or the egg?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Can you make four (4) nines (9) equal 100?

It belongs to you, but other people use it more than you do. What is it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What will you call your mother's brother's brother-in-law?

How is a fly different from a mosquito?