What is the next number in this matchsticks series riddle?

Using eight eights and addition only, can you make 1000?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Which flower has two lips?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

What has a ring but no finger?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?