एक पुस्तक दान अभियान में पहले दिन (20) पुस्तकें मिलीं और हर अगले दिन (8) पुस्तकें अधिक मिलीं। किस दिन (116) पुस्तकें मिलेंगी?
In a book donation drive (20) books are received on the first day and (8) more books are received each next day. On which day will (116) books be received?
Explanation opens after your attempt
C. (13)
Concept
From (20+(n-1)8=116), (n=13). Exam tip: set \(a_n\) equal to the given number to find the required day.
Why this answer is correct
The correct answer is C. (13). From (20+(n-1)8=116), (n=13). Exam tip: set \(a_n\) equal to the given number to find the required day.
Exam Tip
(20+(n-1)8=116) से (n=13) मिलता है। परीक्षा में वांछित दिन के लिए \(a_n\) को दी गई संख्या के बराबर रखें।
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