What is next number in the pattern below:

131 517 192 123 ?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

How many times in a given day, minutes and hour clock comes in a straight line ?

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

Decode this picture on T-Shirt and tell what it says ?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Can you tell a 3D object that has just two surfaces?

What does this Rebus Picture mean?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?