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

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Can you find out the remainder when 3^300 is divided by 5?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

What Adam and Eve do not have but the rest of the people have?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

What has 88 keys?

If eleven plus two equals one, what does nine plus five equal?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.