Move four matchsticks to the below square to form three squares?

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?

Find the next number in the series below

21 32 54 87 131 ?

A man escapes from jail using help from his girlfriend. The investigators suspect four girls of being the man's girlfriend.

Out of those four girls, one is his girlfriend who is lying. Two of the girls are completely innocent and are speaking the truth. One of the girls is the man's sister who is helping the girlfriend lie. Following are the statements from all four of them:

Ariana: "Myrna is his girlfriend."
Jane: "Angelina is lying."
Angelina: "Ariana is lying."
Myrna: "Jane is not his sister."

Can you find out who is the man's sister among them?

The Little ant seems to be always confused. Do you know why?

Can you find out which options fits best with the missing column?

What is the riddle which can be asked all day with a different correct answer each time.

I look at you, you look at me I raise my right, you raise your left. What am I?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Different lights make me strange by changing me into different sizes. What am I?