Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Which alphabet letter is a question?

Two old friends, Jack and Bill, meet after a long time.

Three kids
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?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

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 ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Through your logical capabilities, can you make 7 an even?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

What is the next number in this matchsticks series riddle?