Testing times

We have quite a bit of spare time, in the evenings at work. After the system, has shut down. When we are replacing books. Repairing Books and shelves, chasing down lost orders

Sometimes, we do crosswords. Suduku, and math quizzes are popular too. Yesterday someone brought in this test.

I got several of the answers wrong. Can you do better?

One last thing

The answer to question 3 is in fact, 70.

One of the kids, pointed this out. 30 = 60 halfs, so its 60  plus 10

The girl, who pointed this out. (Quiet clever, lady )

Did so after raising her hand. Which is the cutest thing I have ever seen at work