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?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Prove that twice of ten is the same as twice of eleven.

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

Can you count the number of children in the picture below