What is next number in the pattern below:

131 517 192 123 ?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

What is the difference between a jeweller and a jailer?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Why despite killing dozens of people Charley and Wilma were not punished?

What does this simple rebus mean?