I look at you, you look at me I raise my right, you raise your left. What am I?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Do You See It?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Rearrange the letters in "new door" to make one word.

Find the 8 in the below-given Image.

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.