Complete the following series. It.s very logical:

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

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you find out the total number of triangles in the given figure?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Can you count the number of lines in the below picture?

How can you drop a raw egg from a height onto a concrete floor without cracking it?