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[" If the ratio of the sum of "n" terms of two "],[" A.P.s is "(3n+8):(7n+15)" ,then the ratio "],[" of the "12],[" th term is "]

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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.

If the ratio of the sum to n terms of two A.P's is (5n+3):(3n+4), Then the ratio of their 17th terms is

Knowledge Check

  • If the ratio of the sum of n terms of two arithmetic progressions is (3n+8):(7n+15) then the ratio of their 12th terms is :

    A
    `7:16`
    B
    `16:7`
    C
    `7:9`
    D
    None of these

  • The ratio between the sum of n terms of two A.P.'s is 3n + 8 : 7n + 15. Then the ratio between their 12^(th) terms is

    A
    `5 : 7`
    B
    `7 : 16`
    C
    `12 : 11`
    D
    none

  • If the ratio of the sum of n terms of two AP's be (7n+1):(4n+27), then the ratio of their 11th terms will be

    A
    `2:3`
    B
    `3:4`
    C
    `4:3`
    D
    `5:6`

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    If the ratio of the sum of n terms of two AP'sis 2n:(n+1), then ratio of their 8th term is

    The ratio of the sum of n terms of two A.P.'s is (7n+1):(4n+27). Find the ratio of their mth terms.

    The ratio of the sum of n terms of two A.P.'s is (3n+1):(4n+3). Find the ratio of their mth terms.

    The ratio between the sum of n term of two A.P. s is 3n + 8: 7n + 15. Then find the ratio between their 12 th term

    If the ratio of the sum of the first n terms of two Aps is (7n + 1) : (4n + 27) then find the ratio of their 9th terms.

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