In an A.P., if a = 7, an = 84 and sn = 2093/2, then n is equal to:(a) 22 (b) 24 (c) 23
Автор: Math i Academy
Загружено: 2026-01-11
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Описание:
In an A.P., if the first term a = 7, nth term an = 84 and the sum of first n terms
sn = 2093/2, then n is equal to:
(a) 22 (b) 24 (c) 23 2. nth term of an A.P. is 7n + 4. The common difference is :
(a) 7n (b) 4 (c) 7 (d) 26
Class X/ Math/ 05 Arithmetic Progressions
Math Standard 2024
previous year questions
short cuts
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