<h1>The puzzles solutions 63-64-65</h1>

Brain teasers and puzzles

Questions collection

"Find the missing number"

By Panos Kalliantasis

PUZZLE 63

Correct answer is 14

Column AXB-C=D

8X4-16=32-16=16
5X7-18=35-18=17
3X7-7=21-7=14
9X3-13=27-13=14



PUZZLE 64

Correct answer is 8

Column ( A+B+C)/4=D
(9+3+20)/4=32/4=8


PUZZLE 65

Correct answer is 40

Column  A^2-B^2=C
C^2-B^2=D
So
4^2-3^2=16-9=7
7^2-3^2=49-9=40