Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Can you find the hidden animal in the picture below?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Why is the Hole below a Lock?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Make a sentence consisting of three words that have the whole alphabet.

No one wants to have it, but if one got it, he does not want to lose it. What is It?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?