Can you identify if it's a murder or a suicide ?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

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

When can we add 2 to 11 and get 1 as the correct answer?

Which part of London exists in France as well ?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?