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

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

Out of four images which one is the odd one out?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Solve the equation in the image by looking at the pattern closely.

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