What is the value of 4 # 3 $10 @ 5$ 8 # 2 $★$ 18 ?

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6.8

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Solution

The correct option is B 12
4 # 3 $10 @ 5$ 8 # 2 $★$ 8 can be written as 4 # 3 $10 @ 5$ 8 # 2 $★$ 18
$4 \times 3 + \frac{10}{5} + 8 \times 2 - 18$
= 12 + 2 + 16 - 18 = 30 - 18 = 12

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