Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Identify the hidden meaning behind this picture?

It belongs to you, but other people use it more than you do. What is it?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

You need to move three matchsticks to form three squares. Can you do it?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Find the next number in the following series:
6, 14, 26, 98, __?