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saby007

· started a discussion

· 1 Months ago

sol (Question: 200757.0 )

from series you can see that it is repeated after 4 terms.
so,,in 507th term...u nedd to divided by 4..so remainder would be 3..that means 507th term same as 3 rd term..which is 2.

Question:
What is the 507th term of the sequence 1, –1, 2, –2, 1, –1, 2, –2, 1, ........? 
Options:
A) -1
B) 1
C) -2
D) 2
Solution:
Ans: (d) Clearly repetition takes place for each set of four terms. Hence, 507th term will be same as 3rd term i.e. 2.

INDU

· commented

· 1 Months ago

Yet to be approved!
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