Home
Class 12
MATHS
If the sum of the first ten terms of an ...

If the sum of the first ten terms of an A.P is four times the sum of its five terms, the ratio of the first terms to the common difference is

A

`1:2`

B

`2: 1`

C

`1 : 4`

D

`4 : 1 `

Text Solution

Verified by Experts

The correct Answer is:
A
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 p terms of an A.P. is equal to the sum of the first q terms, then find the sum of the first (p + q) 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 =

Given sum of the first n terms of an A.P is 2n+ 3n^(2) . Another A.P is formed with the same first term and is double the common difference, the sum of n terms of the new A.P. is

The n^(th) term of an A.P is p and the sum of the first n terms is s. The first term is

If the sum of the first 14 terms of an A.P is 1050 and its first term is 10 , find the 56^(th) term .

The sum of first three terms of a G.P. is 16 and the sum of the next three terms is 128. Determine the first term, the common ratio and the sum to n terms of the G.P.

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 sum of first 15 terms of an A.P. is 675 and its first term is 10, then find 25th term.

If the sum of first 15 terms of an A.P is 675 and its first term is 10, then find 25^@ term.

DIPTI PUBLICATION ( AP EAMET)-SEQUENCES AND SERIES -EXERCISE
  1. IF 8th term of an A.P. is 15, then the sum of 15 terms is

    Text Solution

    |

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

    Text Solution

    |

  3. If the sum of the first ten terms of an A.P is four times the sum of i...

    Text Solution

    |

  4. If the sum of the three numbers in A.P is 15 and their product is 45, ...

    Text Solution

    |

  5. If the sum of three numbers which are in A.P is 27 and the product of ...

    Text Solution

    |

  6. If the sum of three numbers which are in A.P is 15 and the sum of the ...

    Text Solution

    |

  7. If the sum of four numbers in A.P is 24 and the sum of their square is...

    Text Solution

    |

  8. Let T(r) be the rth term of an A.P, for r = 1,2 …. If for some positiv...

    Text Solution

    |

  9. If a and x are positive integers such that x lt a and sqrt(a - x ), sq...

    Text Solution

    |

  10. If the length of sides of right angled triangle are in A.P., then the ...

    Text Solution

    |

  11. If three positive real numbers a,b, c are in A.P such that abc = 4, th...

    Text Solution

    |

  12. If log(5) 2, log(5) (2^(x)-5 ) log(5) (2^(x) - 7//2) are in A.P ., th...

    Text Solution

    |

  13. If a(1),a(2),a(3),………. are in A.P. such that a(1) + a(5) + a(10) + a(1...

    Text Solution

    |

  14. Four numbers are in arithmetic progression. The sum of first and last ...

    Text Solution

    |

  15. The ratio of the sums of m arithmatic means and n arithmatic means bet...

    Text Solution

    |

  16. Between 1 and 31 are inserted m arithmetic means, so that the ratio of...

    Text Solution

    |

  17. If a(1), a(2) ……… a(n) are in A.P with common difference d ne 0, then ...

    Text Solution

    |

  18. Value of underset(n rarr infty )(Lim) sum(r = 1)^(n) Tan^(-1) ((1)/(2r...

    Text Solution

    |

  19. Given that n A.M.s are inserted between two sets of numbers a , 2b and...

    Text Solution

    |

  20. If pth, qth, rth terms of an A.P are a,b,c then a(q - r ) + b(r - p ) ...

    Text Solution

    |