Can you name some countries which do not have the alphabet 'A' in them?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

What happened when the wheel was invented?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

You can see three almost identical images below. Can you spot the odd one out from them?

With the help clues provided in the image, can you find the 5 digit key?

It is always ahead of me yet I can never see it. What is it?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

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

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title