What occurs twice in a week, once in a year but never in a day?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

By moving just one matchstick, you need to make the below statement true. Can you do it?

Take away the whole and some still remain. What is it?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

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 ?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?