Do You See It?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

How many times can you subtract the number 5 from 25?

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?

Prove that the below maths equation is true.

8 + 8 = 91

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?