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?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

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

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

Why do you find that most of the buildings are deprived of the 13th floor?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

What does this rebus riddle mean?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211