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?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Why do we preferably have round manhole covers and not square ones?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

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

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

how come the second man dies?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?