Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

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

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

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?