Puzzles - Number puzzles

193.
Answer
:
8
Explanation
:
In each triangle, multiply the lower 2 numbers together and subtract the upper number to give the value in the centre.

194.
Answer
:
10
Explanation
:
For each circle, add the left and right hand numbers together and put this total in the circle one place to the right.

195.
Answer
:
7
Explanation
:
In each square, multiply the top and bottom numbers together to give a 2 digit result, and put the letters with the numerical values of each digit in the left and right hand spaces.