Arithmetic Aptitude Average

• A 53.33
• B 48.55
• C 34.54
• D 21.90
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B

Answer: B

The average weight of all the students in the class is 48.55 kg.
To find this, we can use the following steps:
The average weight of 16 students in the class is 50.25 kg.
The average weight of the remaining 8 students is 45.15 kg.
The total weight of all the students in the class is 16 * 50.25 + 8 * 45.15 = 1165.20 kg.
The total number of students in the class is 24.
Therefore, the average weight of all the students in the class is 1165.20 / 24 = 48.55 kg.

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