I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you find out the number that should replace the question mark with a valid reason?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Move four matchsticks to the below square to form three squares?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

The Little ant seems to be always confused. Do you know why?