How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

People make me, save me, change me, raise me. What am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

Can you find out the remainder when 3^300 is divided by 5?

How many letters are in the alphabet?