When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

I am white when I am dirty, and black when I am clean. What am I?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Count the squares in the matchstick puzzle below?

How many Watermelons are there in the below picture?

Which flower has two lips?

What does a man do only once in his lifetime, but women do once a year after they are 29?

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?