The ratio of the sum of n terms of two A...

The ratio of the sum of `n` terms of two `A.P.'s` is `(7n-1): (3n +11),` find the ratio of their `10th` terms.

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The correct Answer is:

`33:17`

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CBSE COMPLEMENTARY MATERIAL-SEQUENCES AND SERIES -SECTION-C(SHORT anwer type )

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