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

The current time can be represented by below textual rebus.

0
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B.Sc
LLB

Can you tell us the current time?

A blonde put eyeliner on her head. Why?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

When it is alive we sing, when it is dead we clap our hands. What is it?

What does this say?

XLR8

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

Can you count the number of triangles in the given figure?

One evening there was a murder in the home of a married couple, their son and daughter. One of these four people murdered one of the others. One of the members of the family witnessed the crime.

The other one helped the murderer.

These are the things we know for sure:

1. The witness and the one who helped the murderer were not of the same sex.

2. The oldest person and the witness were not of the same sex.

3. The youngest person and the victim were not of the same sex.

4. The one who helped the murderer was older than the victim.

5. The father was the oldest member of the family.

6. The murderer was not the youngest member of the family.

Who was the murderer?