You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

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

Which English verb becomes past tense just by rearranging the letters?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

What is always in front of you but can’t be seen?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What does this below rebus puzzle mean?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?