Can you write down eight eights so that they add up to one thousand?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What do you answer even though it never asks you questions?

What can you serve, but never eat?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Spot 5 differences in two Christmas tree below:

Which tank will fill first?

Replace the question mark with the correct number.