What is next number in the pattern below:

131 517 192 123 ?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

What number divided by 4 is the same as that number minus 4?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

In the image below, can you find the value of an angle(y)

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Can you replace the question mark with the correct number?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?