How is a fly different from a mosquito?

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

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

What will you call your mother's brother's brother-in-law?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

How many Watermelons are there in the below picture?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Who can jump higher than a Mountain?

Can you find the six hidden animals in the picture below?