Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Using eight eights and addition only, can you make 1000?

I always drive my customer away.

Who am I?

What is the next number in this series?

4,12,84,3612....

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

What kind of tree can you carry in your hand?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

A man was just doing his job when his suit was torn. Why did he die three minutes later?