Why 1729 is a magic number? Answer Logically.

I am the fastest animal but cannot climb the tree. What am I?

Which fur should we be getting from the Lion?

A cat, a dog and a monkey were stolen. 3 suspects got caught: Harish, Manoj and Tarun. All we know is each person stole one animal, but we do not know who stole which. Here are the investigation statements. Harish said: Tarun stole the cat. Manoj said: Tarun stole the dog. Tarun said: They both were lying. I did not steal the cat or the dog. Later on, the police found out the man who stole the monkey told a lie. The man who stole the cat told the truth. Can you find out who stole which?

Can you find out the missing number in the grid?

what does the below rebus mean?

Can you find out which options fits best with the missing column?

Can it be possible to build a house that has all its four walls facing towards the South?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

The more of this there is, the less you see. What is it?