Bank Exam Government Jobs Exams Numerical Ability

The class X of a Vidhyalaya has four sections:
A, B, C and D. The average weight of the students of A, B, C together and A, C, D together are 45 kg
and 55 kg respectively, while the average weight of the students of A, B, D together and B, C, D
together are 50kg and 60kg respectively. Which of the following could be the average weight of the
students of all the four sections together?

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