Correct Answer - Option 3 : 111
Symbol
|
$
|
#
|
&
|
@
|
Meaning
|
+
|
-
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×
|
÷
|
Given equation: 66 @ 11 & (12 $ 13) # (42 @ 14) # 12 & 3
After replacing the symbols by their meaning, we get
66 ÷ 11 × (12 + 13) - (42 ÷ 14) - 12 × 3
= 6 × 25 - 3 - 36
= 150 - 39
= 111
Hence, "111" is the correct answer.