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Geometric Mean

Statements: T...

Question

Statements:
The average number of students per teacher is 50 in the urban areas whereas it is 60 in rural areas. The national average is 55.
Conclusion:
I. The student-teacher ratio in the urban areas is higher than in the rural areas.
II. More students study with the same teacher in the rural areas as compared
to those in the urban areas.

A

The conclusion I follows.

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B

The conclusion II follows.

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C

Either conclusion I or II is implicit.

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D

Neither conclusion I nor II follows.

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Solution

The correct option is B The conclusion II follows.
The average number of students per teacher is 50 in the urban areas whereas it is 60 in rural areas. The national average is 55.
We do not have actual number of students and teachers, so we cannot say about The student-teacher ratio in the rural areas.
More students study with the same teacher in the rural areas as compared to those in the urban areas since average number of students per teacher is 50 in the urban areas whereas it is 60 in rural areas.
Thus, Conclusion II follows.
Hence, Option B is correct.

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