Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

How many Watermelons are there in the below picture?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

If all the below statements are true

1. Gianni was either in Italy or France in 1997.
2. If Gianni did not kill Versace, Hilton must have killed him.
3. If Versace died of suffocation, then either Gianni killed him or Versace committed suicide.
4. If Gianni was in Italy in 1997, then Gianni did not kill Versace.
5. Versace died of suffocation, but he did not kill himself.

Who killed Versace and where was Gianni in 1997?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?