Arithmetic Aptitude Average

• A 30
• B 31
• C 33
• D 35
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B

Answer: B

The weight of Q is 31 kg.
To find this, we can use the following steps:
Let P, Q, and R represent their respective weights.
The sum of the weights of P, Q, and R is 135.
The sum of the weights of P and Q is 80.
The sum of the weights of Q and R is 86.
Adding these two equations gives us P + 2Q + R = 166.
Subtracting the equation for P, Q, and R from this equation gives us Q = 31.

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