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In an A.P., if the first term $a = 7$, $n$th term $a_n = 84$ and the sum of first $n$ terms $s_n = \frac{2093}{2}$, then $n$ is equal to :
- (a)$22$
- (b)$24$
- (c)$23$
- (d)$26$
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Sol. (c) $23$
In an A.P., if the first term a = 7 , n th term a_n = 84 and the sum of first n terms s_n = 2093/2 , then n is equal…
CBSE Class 10 Maths PYQ · Arithmetic Progressions · Term & Sum Mix · 1 Mark · March 2024 · Standard
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