Count the number of triangles in the picture below:

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

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

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

Our product and our sum always give the same answer. Who are we?

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?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Using Only Five 5's and any mathematical operator make sum as 37