What does an Island and the letter T have in common?

Can you find the hidden animal in the picture below?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

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

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What does this rebus mean?

O
N
C
E
TIME

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?