I have eight fingers and two thumbs but I do not live. What Am I?

Why do you find that most of the buildings are deprived of the 13th floor?

How can you take 2 from 5 and leave 4?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

Can you name four days which start with the letter 'T'?

What month of the year has 28 days?

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?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

What makes this number unique: 8,549,176,320?