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

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

What will you call your mother's brother's brother-in-law?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Can you decipher the two rows to find the hidden word?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?