It belongs to you, but other people use it more than you do. What is it?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Using eight eights and addition only, can you make 1000?

You can see three almost identical images below. Can you spot the odd one out from them?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

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 will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?