Math, asked by amoscharan4932, 10 months ago

The sum of n terms of two arithmetic progressions are in the ratio 5n + 4 : 9n + 6, then the ratio of their 18th terms is

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Answered by LovelyG

Answer:

If the ratio of the sum of the first seven terms to the sum of the first eleven terms is 6 : 11 and the seventh term lies in between 130 and 140, then the common difference of this A.P. is

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