अनुक्रम \(100,93,86,79,\ldots\) में पहला धनात्मक पदों की संख्या कितनी है?
In the sequence \(100,93,86,79,\ldots\), how many positive terms are there?
Explanation opens after your attempt
C. (15)
Concept
(a_n=100-7(n-1)>0) gives (n<15.28). Therefore the number of positive terms is (15).
Why this answer is correct
The correct answer is C. (15). (a_n=100-7(n-1)>0) gives (n<15.28). Therefore the number of positive terms is (15).
Exam Tip
(a_n=100-7(n-1)>0) से (n<15.28) मिलता है। अतः धनात्मक पदों की संख्या (15) है।
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