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If for an arithmetic progression, if first term is 3 and sum of first four terms is equal to \(\frac{1}{5}\) of the sum …

Q1

If for an arithmetic progression, if first term is 3 and sum of first four terms is equal to \(\frac{1}{5}\) of the sum of next four terms, then the sum of first 20 terms is

a

\(-1080\)

b

\(2364\)

c

\(1080\)

d

\(364\)

🔒
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