What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

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

What does a man do only once in his lifetime, but women do once a year after they are 29?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

A man dies of old age on his 25 birthday. How is this possible?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?