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

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

I taste better than I can smell. Who am I?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?