Home
Class 12
MATHS
If the sum of first 75 terms of an A.P. ...

If the sum of first 75 terms of an A.P. is 2625, then the `38^(th)` term of the A.P. is

A

39

B

37

C

36

D

35

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SEQUENCES AND SERIES

    NEW JOYTHI PUBLICATION|Exercise EXERCISE|49 Videos
  • RELATIONS AND FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|33 Videos
  • SETS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|21 Videos

Similar Questions

Explore conceptually related problems

If 6 times of 6th term of an A.P. is equal to 7 times term, then the 13th term of the A.P. is

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 the sum of n terms of an A.P. is 3n^(2) + 5n and its m^(th) term is 164, find the value of m .

If the sum of 12^(th) and 22^(nd) terms of an A.P is 100, then the sum of the first 33 terms of the A.P is

If the sum of the first 14 terms of an AP is 1050 and its first term is 10, find the 20th term.

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

Find the sum of the first 28 terms of an A.P. whose nth term is 4n-3.

Find the sum of the first 30 terms of an A.P. whose nth term is 3 + 2n.

NEW JOYTHI PUBLICATION-SEQUENCES AND SERIES -QUESTIONS FROM COMPETITIVE EXAMS
  1. Let x(1), x(2), …… , x(n) be in an A.P. If x(1) + x(4) + x(9) + x(11) ...

    Text Solution

    |

  2. If the second and fifth terms of a G.P. are 24 and 3 respectively, the...

    Text Solution

    |

  3. If the sum of first 75 terms of an A.P. is 2625, then the 38^(th) term...

    Text Solution

    |

  4. If -5, k, -1 are in A.P., then the value of k is equal to

    Text Solution

    |

  5. Let T(n) denote the number of triangles which can be formed by using t...

    Text Solution

    |

  6. if 1,log(9)(3^(1 - x) + 2),log(3)[4.3^(x) - 1] are in A.P. then x equa...

    Text Solution

    |

  7. 1^(3) - 2^(3) + 3^(3) + 4^(3) + .... + 9^(3) =

    Text Solution

    |

  8. Sum of infinite number of terms in GP is 20 and sum of their square is...

    Text Solution

    |

  9. The value of 2^(1/4), 4^(1/8), 8^(1/16) ...... infty is

    Text Solution

    |

  10. Fifth term of a GP is 2, then the product of 1ts 9 terms is

    Text Solution

    |

  11. If the system of linear equations x + 2ay + az = 0,x + 3by + bz = 0,x ...

    Text Solution

    |

  12. Let f(x) be a polynomial function of second degree. If f(1) = f(-1) an...

    Text Solution

    |

  13. The sum of the series 1/1.2 - 1/2.3 + 1/3.4 … upto infty is equal to

    Text Solution

    |

  14. If x(1),x(2),x(3)as well as y(1),y(2),y(3) are in geometric progressio...

    Text Solution

    |

  15. Let T, be the r^(th) term of an A.P. whose first term is a and common ...

    Text Solution

    |

  16. The sum of first n terms of the series 1(2) + 2.2^(2) + 3^(2) + 2.4^(2...

    Text Solution

    |

  17. The sum of series 1/2! + 1/4! + 1/6! + …….. is

    Text Solution

    |

  18. If the coefficients of r^(th),(r + 1)^(th) and (r + 2)^(th) terms in t...

    Text Solution

    |

  19. If 0 lt phi lt (pi)/(2) , x= sum(n=0)^(oo) cos^(2n) phi ,y sum (n...

    Text Solution

    |

  20. If a(1), a(2), a(3), ………, a(n)….. are in G.P., then the determinant De...

    Text Solution

    |