Why is it very easy to weigh a fish?

You can see it everyday, But cannot touch it at will. What is it?

When we see 2 but call 10?

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

Solve the puzzle by telling what does below picture means.

A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?