Home
Class 12
MATHS
The sum of n terms in two A.P's are in t...

The sum of n terms in two A.P's are in the ratio 3n + 1 : n + 4 , then the ratio of 4th terms is

A

`13 : 8 `

B

`22 : 11`

C

`27 : 7 `

D

`13 : 22`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RELATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise|49 Videos

  • SETS ( APPENDIX - 1)

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE|70 Videos

Similar Questions

Explore conceptually related problems

If the sum of first n terms of two A.P's are in the ratio 3n+8: 7n+15 ,then the ratio of 12th term is

If the ratio of sum of n terms in two A.P' s is 2n : n + 1, then the ratio of 8th terms is

If the ratio between the sum of first n terms of two A.P's is 7n+1: 4n+27 then the ratio of 11^(th) terms is

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

The sums of n terms of two arithmetic progressions are in the ratio 5n + 4 : 9n + 6. Find the ratio of their 18^(th) terms.

IF 8th term of an A.P. is 15, then the sum of 15 terms is

If 10th term of an A.P is 13, then the sum of 19 terms =

The ratio of the sums of m and n terms of an A.P is m^(2): n^(2) , then the ratio of the m^(th) and n^(th) terms is

The ratio of the sums of m and n terms of an A.P. is m^2 : n^2. Show that the ratio of m^(th) and n^(th) term is (2m-1) : (2n -1) .

DIPTI PUBLICATION ( AP EAMET)-SEQUENCES AND SERIES -EXERCISE
  1. If a(1), a(2) …… a(n) are in A.P then (sqrt(a(1)) + sqrt(a(n)))/( sqrt...

    Text Solution

    |

  2. If the ratio of sum of n terms in two A.P' s is 2n : n + 1, then the ...

    Text Solution

    |

  3. The sum of n terms in two A.P's are in the ratio 3n + 1 : n + 4 , then...

    Text Solution

    |

  4. If S(n) danotes the sum of n terms of n terms of an A.P. then S(n + 3)...

    Text Solution

    |

  5. The first term of an A.P of consecutive integers is p^(2) + 1 . The su...

    Text Solution

    |

  6. The numbers 3^(2 sin 20 -1 ) , 14, 3^(4 - 2 sin 20) form first three ...

    Text Solution

    |

  7. Arithmetic mean of 1/2 & 1/3 is

    Text Solution

    |

  8. One of the four A,M's between 3, 23 is

    Text Solution

    |

  9. Sum of 4 Arithmetic means between 3 and 23 is

    Text Solution

    |

  10. Sum of 14 A.M's between 5 and 8 is

    Text Solution

    |

  11. If n arithmetic means are inserted between 2 and 38 , then the sum of ...

    Text Solution

    |

  12. If 1, log(y) x, log(z) y , - 15 log(x) z are in A.P ., then

    Text Solution

    |

  13. If the common difference of an A.P is 1 and 6th term is (4 cos^(2) alp...

    Text Solution

    |

  14. If S(1), S(2),S(3), are the sums of first n natural numbers their squ...

    Text Solution

    |

  15. Sum of n terms of (1)/(1.2) + (1)/(2.3) + (1)/(3.4) + …. is

    Text Solution

    |

  16. Sum of the series S = 1 + (1)/(2)(1 + 2) + (1)/(3) ( 1 + 2 + 3 ) + (1)...

    Text Solution

    |

  17. If 1^(2)+2^(2)+3^(2)+…..+2003^(2)=(2003)(4007)(334)and(1)(2003)+(2)(20...

    Text Solution

    |

  18. The value of the expression ( 1 + (1)/(omega)) ( 1 + (1)/(omega^(2)...

    Text Solution

    |

  19. If 2nd term of a G.p. is 24 and 5th terms is 81 then the first term is

    Text Solution

    |

  20. If 6th term of a G.P is -1/32 and 9th term is 1/1256, then 11th term =

    Text Solution

    |