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Answer the question based on the diagram

In the diagram below Angle ABC=90$^o$ = Angle DCH = Angle DOE = Angle EHK = Angle FKL = Angle GLM = Angle LMN, AB=BC=2CH=2CD=EH=FK=2HK=4KL=2LM=MN

If $X_n = (-1)^n x_{n-1} \text{ & } X_0 =x$, then

  1. $X_n$ is positive for n=even
  2. $X_n$ is positive for n=odd
  3. $X_n$ is negative for n=even
  4. None of these
in Quantitative Aptitude by (11.4k points) 170 610 1442 | 146 views

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