Question

On combining two groups of students having 30 and 40 marks respectively in an
of students in the first group to the number of students in the second group.
exam, the resultant group has an average score of 34. Find the ratio of the number
a.
2:3
b.
3:5
C.
5:3
d.
3:2
and the rest at​

Answer 1

Answer:

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Answer 2

Answer:

the right answer is.

d 3:2