What is both possible and impossible at the same time?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

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

what does the below rebus mean?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

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?

What does this rebus means ?

PROG WORKRESS

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Why Aeroplane windows are round?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?