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

Find out the number of circles in the given picture having Illusion

Can you place six X (crosses) in below board without making three in a row in any way ?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

Can you start the fire using two pieces of wood?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Identify the 10 differences between the two given pictures.

What has a bottom at the top?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?