Which of the following will not be a number of the series 1, 8, 27, 64, 125,.....?

A. 256 B. 512
C. 729 D. 1000
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• A. 256 is not in the series.
  
  Series is contains the cubes of 1,2,3,4,5,6.....(i.e., 1^3,2^3,3^3,4^3,5^3,6^3)
  
  In given options, 512 is cube of 8(i.e, 8^3), 729 is cube of 9(i.e, 9^3) and the 1000 is cube of 10(i.e, 10^3).
  
  But 256 is not cube of any number. So, 256 is not in the series
• 12 years agoHelpfull: Yes(1) No(0)
• 256 b/c it is not the cube of number as specified in given series.
• 12 years agoHelpfull: Yes(0) No(0)