JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

\mathrm{n}

- arithmetic means are inserted between 1 and 31 such that the

7^{\text {th }}

mean : the

(n-1)^{\text {th }}

mean

=5: 9

, then '

n

' is equal to

View answer and explanation

Correct option: C

Option C (14) is correct because solving the ratio of the 7th and (n-1)th means gives n=14.

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