Given : 11 # 2 @ 6 = 78 and 15 # 4 @ 8 = 152
If we replace # by '+' and @ by 'x', and perform the add operation first, we get the desired result.
Eg :- $$(11+2)\times6=78$$
and $$(15+4)\times8=152$$
Similarly, $$(17+6)\times7=161$$
=> Ans - (A)
Create a FREE account and get: