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

Move four matchsticks to the below square to form three squares?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

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

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

Count the squares in the matchstick puzzle below?

Keyboard words are not in alphabetical order, Why?

Which city is three-fifths chick two third cat and 50% goat?

I taste better than I can smell. Who am I?

What goes up but never comes down?