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Math and Mental Ability Data Sufficiency

Statements: The average number of persons per household is 5 in urban areas whereas it is 7 in rural areas. The national average is 6.

Conclusions:

I. The population per unit area in the rural areas is higher than in the urban areas.

II. More persons live in the same household in the rural areas as compared to those in the urban areas.

Only conclusion II follows

Both I and II follow

Only conclusion I follows

Either I or II follows

- Statement Review:

- In urban areas, the average number of persons per household is 5.

- In rural areas, it's 7.

- The national average is 6.

- Conclusions:

- I. The population per unit area in rural areas is higher than in urban areas.

- Incorrect because higher number of persons per household doesn't imply higher population density.

- II. More persons live in the same household in rural areas compared to urban areas.

- Correct because the average household size is larger in rural areas.

- Correct Option:

- Option 1: Only conclusion II follows

Only conclusion II follows

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