What has to be broken before you can use it?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

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 ?

Take away the whole and some still remain. What is it?

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

Make a sentence consisting of three words that have the whole alphabet.

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?

Which number should replace the question mark?

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?