Question

Difficult Puzzle! If 3 2 = 7, 5 4 = 23, 7 6 = 47, 9 8 = 79 then 10 9 = ?If

Answer 1

@nswer is 10*9=90+9=99

Answer 2

answer is 99.
multipying 1st 2 no and adding a series of odd numbers.

2 3=6 +(1)      =7
5 4=20+(3)      =23
6 7=42+(5)      =47
8 9=72+(7)      =79
9 10=90+(9)  = 99.