Can you find the Missing Number in the pictures in less than 10 seconds each?

Together there are 7 pictures, see if you can find all 7 missing numbers in less than 70 seconds!

1.

2.

3.

4.

5.

6.

7.

Let us know in the comments how quickly you found all 7 missing numbers.

Answers:

1. 13

2. 18

3. 11

4. 27

5. 19

6. 24

7. 42

Opening photo: 24