John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What four weights can be used to balance from 1 to 30 pounds?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?