CAT Quant Practice Problems

Question: The nth element of a series is represented as

Xn= (–1)nXn–1

If X0= x and x > 0, then which of the following is always true?


  1. Xnis positive if n is even
  2. Xnis positive if n is odd
  3. Xnis negative if n is even
  4. None of these

Correct Option:4

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CAT Quant Practice Problems
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