Question

i am getting 54 as answer instead of 56

Answer 1

5#3= 2*5*3=30
30@3 = 30*3/2 = 45
45*7 = 45+7/2 = 26
26$8 = 2*26 + 8/2 = 52 + 4 = 56
Just check your calculation again.
Hope it helps.