What can you see in the middle of March and April that you can never see in any other month?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

What word does this rebus represent?

meta meta
meta meta

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

I know a nine-letter word having only one vowel.
Do you ?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

Which tank will fill first?

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?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

If Rajina's daughter is my daughter's mom, who am I to Rajina?