What is next number in the pattern below:

131 517 192 123 ?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Count the number of triangles in the picture below:

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?