When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Which tank will fill first?

The more it dries, the wetter it becomes. Can you tell what it is?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

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

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

What building has the most stories?

You are given a set of weighing scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables you to conclude either that the contents of the dishes weigh the same or that the dish that falls lower has heavier contents than the other. The 12 marbles appear to be identical. 11 of them are identical, and one is of a different weight. Your task is to identify the unusual marble and discard it. You are allowed to use the scales three times if you wish, but no more. Note that the unusual marble may be heavier or lighter than the others. You are asked to both identify it and determine whether it is heavy or light

Keyboard words are not in alphabetical order, Why?