What occurs twice in a week, once in a year but never in a day?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

What is common among 11, 69, and 88?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.