Can you place six X (crosses) in below board without making three in a row in any way ?

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

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Solve the following series:
AZ, GT, MN, __, YB

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What is more useful when it is broken?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Can you find the 09 errors in the picture below?

Imagine you are in a room with no windows or doors. How will you get out?