If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

Count the number of triangles in the given picture.

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

What Word am I Looking For ?

What occurs twice in a week, once in a year but never in a day?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

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

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Replace the question mark with the correct number below.