Question

79. In a class, there are three groups A, B
and C. If one student from group A and
two students from group B are shifted
to group C, then what happens to the
average weight of the students of the
class?
(a) It increases
(b) It decreases.
(c) It remains the same.
(d) No conclusion can be drawn due to
insufficient data.​

Answer 1

Answer:

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