CTS Company Numerical Ability Age Problem

X = i^1 + i^2 + i^3 +...............+i^100
Find value of x.

Read Solution (Total 2)

i^1=i, i^2= -1, i^3= -i, i^4 = 1
i+-1-i+1 = 0 ,
this 4 values repeated for next all for terms , so the answer is Zero
3 years agoHelpfull: Yes(0) No(0)

i^4 = 1
Multiple of 4 also gives ans 1 .
Apply the GP sum formula you get the ans as zero
2 years agoHelpfull: Yes(0) No(0)

CTS Other Question

statements:
m?s|q|p,r/p,t|p
conclusions :
i)m|t ii)qr

a)only statement 1 is true
b)only statement 2 is true
c)both the statement are true
d)neither of the statements are true
e)either of the statements are true log(base x^2) (81-24x) = 2