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

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Who are the happiest people in IPL match?

Which digit occurred maximum times between the number 1 and 1000?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

What Time Should the last watch show in the below figure?

O_er_t_o_

Complete the missing letters of the given word.

Different lights make me strange by changing me into different sizes. What am I?