I look at you, you look at me I raise my right, you raise your left. What am I?

When it's bad luck to meet a black cat?

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

What number should come in place of the question mark below?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

What is the word or phrase?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?