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

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

What kind of storm is always in a rush?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

What is next number in the pattern below:

131 517 192 123 ?

How is a fly different from a mosquito?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?