Question

If the average weight of 6 students is 50 kg, that of 2 students is 55 kg and that of rest of 2 students is 55 kg, then the average weight of all the students is ?​

Answer 1

Answer:

$\huge\underline\bold {Answer:}$

Total weight of 6 students = 6 × 50 kg = 300 kg

Total weight of 2 students = 2 × 51 kg = 102 kg

Total weight of 2 students = 2 × 55 kg = 110 kg.

Average weight of all the students = Total weight/Number of students = (300 + 102 + 110) ÷ 10 kg

= 512/10 kg

= 51.2 kg.

Therefore average weight of all students is 51.2 kg.

Answer 2

Step-by-step explanation:

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