If the sum of the first 2n terms of \[2,\,5,\,8...\] is equal to the sum of the first n terms of \[57,\,59,\,61...\], then n is equal to [IIT Screening 2001]

If the sum of the first 2n terms of \[2,\,5,\,8...\] is equal to the s

1.	If the sum of the first 2n terms of \[2,\,5,\,8...\] is equal to the sum of the first n terms of \[57,\,59,\,61...\], then n is equal to [IIT Screening 2001]
A.	10
B.	12
C.	11
D.	13
Answer» D. 13

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If the sum of the first 2n terms of \[2,\,5,\,8...\] is equal to the sum of the first n terms of \[57,\,59,\,61...\], then n is equal to [IIT Screening 2001]

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