Correct Answer: 72

Solution : Given:
1 @ 9 & 5 = 14 and 2 & 4 @ 3 = 14, then 7 @ 9 & 9 = ?

Find the operations from the given symbols in the equation.
The pattern in the equation is –
1 @ 9 & 5 = 14
1 × 9 + 5 = 14
The symbol @ means × and the symbol & means + respectively.
Similarly, in the equation –
2 & 4 @ 3 = 14
2 + 4 × 3 = 14
Using the same pattern in the equation –
7 @ 9 & 9
7 × 9 + 9 = 72

So, the equation is equal to 72. Hence, the first option is correct.