I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

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?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

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.

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

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

When we see 2 but call 10?

Find the hidden tiger in the given optical illusion ?