A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I am quite hot but become too cold if you remove the first two letters. What am I?

Can you count the number of triangles in the picture below?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

How could a baby fall out of a twenty-story building onto the ground and live?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

Count the number of triangles in the given picture.