JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

If the 10th term of an A.P is

\frac{1}{{20}}

and its 20th term is

\frac{1}{{10}}

, then the sum of its first 200 terms is

View answer and explanation

Correct option: D

100\,\,\frac{1}{2}

Option D (

100\,\frac{1}{2}

) is correct because the sum of the first 200 terms is calculated using the A.P. formula with the derived values of 'a' and 'd'.

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