When we see 2 but call 10?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

Find the last number in the series below:

voN luJ yaM raM ---

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

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?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

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

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C