1. 72 hens cost Rs. 96.7_. Then what does each hen cost, where two digits in place of ' are not visible or are written in illegible hand? 1) Rs. 3.23 2) Rs. 5.11 3) Rs. 5.51 4) Rs. 7.22 (Past CAT question)

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.