GMAT Data Sufficiency
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Source: OG11th
Level: 3
If n is a positive integer, what is the tens digit of n ?
(1)The hundreds digit of 10n is 6.
(2)The tens digit of n + 1 is 7.
- A Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- B Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- C BOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- D EACH statement ALONE is sufficient.
- E Statements (1) and (2) TOGETHER are NOT sufficient.