What is A rsquo s position from the right end in a row of 30 students I A is third to the right of B...........

Logical Reasoning(Master ) Data Sufficiency

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What is A’s position from the right end in a row of 30 students?

I. A is third to the right of B, who is twelfth from the right end.

II. H is 14th from the right end of the row and there are eight students between H and A.

If the data in statement I alone is sufficient to answer the question.

If the data in statement II alone is sufficient to answer the question.

If the data either in statement I alone or statement II alone are sufficient to answer the question.

If the data given in both I and II together are not sufficient to answer the question.

If the data in both the statements I and II together are necessary to answer the question.

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Explanation:

From I : B is at 12th position from right, A is third to right of B, so A is 9th from right end.
From II : H is at 14th position from right, with 8 students in between A and H –
it is not sure than A is left of H or right of H, so A’s position cant be predicted.