Solution:

1113213211


Explanation
1
one one => 11
two one => 21
one two , one one = > 1211
one one , one two , two one => 111221
three one , two two one one => 312211
one three, one one , two two, two one =>13112221

=>one one , one three, two one, three two, one one

Solution:

5

(8+7) * 5 => 75

Solution:

5:19

Starting with the watch on the left, add 42 minutes to the time shown to give the time on the next watch to the right

Solution:

34

Solution:

120

4*30

Solution:

30(sum of corner of triangle)

Solution:

6

Explanation:
5*6 + 2 = 31
=> 7*6 + 2 = 44

Solution:

43

Solution:

20 (double of previous)

Solution:

one