<h1>Answers and solutions-puzzles 54-55-56</h1>

See the answers and detailed solutions

 in these math puzzles that will help you

 improve your skills and

get better grades in competitive exams.

Puzzle 54

Correct answer =40

First row  8^2-6^2=64-36=28

Second row 5^2-2^2=25-4=21

Third row 7^2-3^2=49-9=40

Puzzle 55

Correct answer is 12

First row  least common multiple LCM (6,8)=24

Second row  least common multiple LCM (3,4)=12

Third row  least common multiple LCM(6,4)=12

Puzzle 56

Correct answer is 49

First row  4=2^2    16=4^2    (2+4)^2=36

Second row 9=3^2  25=5^2    (3+5)^2=64

Third row 16=4^2   9=3^2     (4+3)^2=49