Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

What Deficiency does the below rebus represent?

VIT_MIN

There was a strange boy who was born before his father. How can this be possible?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Can you write down eight eights so that they add up to one thousand?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?