Go to 32 questions at random, buy some gas there, take the data and boom, you got an answer.

Common difference of an Arithmetic progression can be found out by subtracting the preceding term from that given term.
i.e
therefore, the common difference of the above Arithmetic progression is -4 .
This is the famous Fibonacci frequence. it's by adding the 2 terms in front. like 2 + 3, so the next term is 5. and 5+ 8, the next term is 13.
The value of Angle Y is 100 because a triangle is 180 degrees and angle c is 80 which means 180 minus 80 equals 100
What question I don’t see one here