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The sum of the first twelve terms of an ...

The sum of the first twelve terms of an A.P. is three times the sum of the first six terms, then the ratio of the first term to the common difference is:

A

`7:2`

B

`2:7`

C

`3:5`

D

`1:7`

Text Solution

Verified by Experts

The correct Answer is:
A
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