What happened when the wheel was invented?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

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?

What's a single-digit number with no value?

What part of the chicken has the most feathers?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?