1.

The sequence of sets S_(1), S_(2),S_(3),S_(4),….. is defined as S_(1) = {1}. S_(2) = {3,5}, S_(3) = {7,9,11}, S_(4) = {13,15,17,19}….etc. The last element of the set S_(100) is:

Answer»

10099
9899
9900
none of these

ANSWER :A


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