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?

Find the value of "?" in the ball picture Riddle below:

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

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

I am quite hot but become too cold if you remove the first two letters. What am I?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

What jumps when it walks and sits when it stands?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

I have an eye but still cannot see.

Who am I?