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Data Sufficiency - 3

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Multiple Choice

Directions: The following problem has a question and two statements labelled (1) and (2). You have to decide whether the statements are sufficient to answer the question. Mark your answer as

A sequence of numbers is given by the rule an = an–1 + 2. Is a10 an even integer?
(1) a1 is even.
(2) a9 is 24.

  1. if you can get the answer from (1) alone, but not from (2) alone
  2. if you can get the answer from (2) alone, but not from (1) alone
  3. if you can get the answer from (1) and (2) together, although neither statement by itself suffices
  4. if (1) alone suffices and (2) alone suffices
  5. if you cannot get the answer from (1) and (2) together, and need even more data
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