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

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

I travel all around the world but always stay in the corner. What am I?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

What kind of tree can you carry in your hand?

What is the next number in the series?

15 29 56 108 208 ?

Can you find the company name in the pictogram below?

what does this below rebus represent identXQQQQQME

Can you count the number of squares in the given picture?