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

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?

Why Wine Glass Stem is so long?

Count the squares in the matchstick puzzle below?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

What question can you never answer yes to?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Which of the below owl is odd one out?

Count the number of triangles in the given picture.