Next Number in the Series,

5, 16, 49, 104, ?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

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

What is full of holes but still holds water?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

Forwards I am heavy, backward I am not. What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?