Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What does this rebus means ?

How can you leave a room with two legs and return with six legs?

Can you write down eight eights so that they add up to one thousand?