2-2+2-2+ldots 101 terms = ? · ABC26GN0075

Subject: General Aptitude · Chapter: Number System · Exam: P.C.S. 2008

$2-2+2-2+ldots$ 101 terms = ?

(a)-2

(b)0

(c)2

(d)None of these

Answer

Answer (as printed): C

Explanation

The given series is such that the sum of first hundred terms is zero, and $101^{\text {st }}$ term is 2. So, the sum of 101 terms is 2.

Explanation as extracted from the printed page; notation may be imperfect.

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