Replace the question mark with the correct number in the below-given picture?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

How many times can you subtract the number two from the number fifty?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

A car key is hidden in the picture. Can you spot it.? Quickly test your eye power now!

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

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?

When can we add 2 to 11 and get 1 as the correct answer?