TCS Company Numerical Ability Number System

If a_n=n, n>or=1 and b_n=a_n, n=-1 for odd and n=1 for even number. Find the average of first 10000 numbers.

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yes ishan "n=1 for odd and n=-1 for even" is not given mine answer was also -0.5.i think question is a_n=n for n>1 and b-n= -a_n for n>2.find the average of 2000 no.
10 years agoHelpfull: Yes(1) No(3)

this is incomplete question,i have attempted this in test and its answer was (-2)
10 years agoHelpfull: Yes(0) No(5)
dude,dont you think,actually the question had "n=1 for odd and n=-1 for even"..Please tell..because i answered according to this and if that was so,it would have benn -0.5.Please,Please,Please,Please reply MR.Karthik E
10 years agoHelpfull: Yes(0) No(2)

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