Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the sum of the 10 terms of an A.P. is 4 times to the sum of its 5 terms, then the ratio of first term and common difference is
Text Solution
Verified by ExpertsThe correct answer is:
A
Let a be the first term and d the common difference
Then, 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
, ∴ ∴ a : d = 1 : 2`
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