Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What part of the chicken has the most feathers?

What happened when the wheel was invented?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

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

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?

What is the word or phrase?