Puzzles - Number puzzles

112.
Answer
:
9
Explanation
:
In each star, the average of the outer 3 numbers is written in the centre of the star.

113.
Answer
:
21
Explanation
:
In each triangle, add the lower 2 digits together and multiply by the upper digit to give the result in the centre.

114.
Answer
:
1
Explanation
:
In each circle, add together the numbers in the left and right hand segments, and subtract 2 to give the result in the lower segment.