I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

What can go through glass without breaking it?

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

What does Alexander the Great and Winnie the Pooh have in common?

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

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Count the number of triangles in the picture below: