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

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Can you solve the maths in the below-given picture equation?

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?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

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: