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

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

The world's largest Thanksgiving turkey was on display at a fair. Everyone was admiring it when suddenly a woman ran up and shot the turkey and left. Everyone knew her yet nobody made any attempts to stop or report her. Why?

No matter how little or how much you use me, you change me every month. What am I?

What 5-letter word typed in all capital letters can be read the same upside down?