RE: Puzzle Contest #12 - First to get all the correct answers wins 5 SBD, all attempts will receive an upvote.

[sajib7]

Ans:
1a =23 , 1b =7, 1c = 18

Ans:
2a = 24 , 2b = 54 , 2c = 9
Ans:
3 = c(John)
Ans:
4a = -5, 4b = 4