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Vector Addition

What is the v...

Question

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

10

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12

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6.8

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11.2

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Solution

The correct option is C $12$
4 # 3 $10 @ 5$ 8 # 2 $★$ 18
Exchange the sign according to the question
$4 \times 3 + 10 \div 5 + 8 \times 2 - 18$
$= 12 + 2 + 16 - 18$
$= 30 - 18$
$= 12$

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