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

Two old friends, Jack and Jill, meet after a long time, and discussing as:

Jack: Hey, how are you, man?

Bill: Not bad, got married and I have three kids now.

Jack: That's awesome. How old are they?

Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.

Jack: Cool..But I still don't know.

Bill: My eldest kid just started taking piano lessons.

Jack: Oh, now I get it.

How old are Bill's kids?

Can you count the number of matches in the picture below ?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

What is next number in the pattern below:

131 517 192 123 ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

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

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

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?