How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

O_er_t_o_

Complete the missing letters of the given word.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What has to be broken before you can use it?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

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?

By using 'because' continuously three times, can you make an English statement ?

Find the next number in the series.
1 10 24 43 67 ?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?