What does this Rebus Picture mean?

Before Mount Everest was discovered, what was the highest mountain in the world?

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

Why are televisions attracted to people?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

If a wheel has 54 spokes, how many spaces are there between the spokes?

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 look at you, you look at me, I raise my right, you raise your left. What am I?

What is so fragile that saying its name breaks it?

Why do we preferably have round manhole covers and not square ones?