Home
Class 12
MATHS
If n arithmetic means are inserted betwe...

If `n` arithmetic means are inserted between 2 and 38, then the sum of the resulting series is obtained as 200. Then find the value of `ndot`

A

6

B

8

C

10

D

12

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Topper's Solved these Questions

  • SEQUENCES AND SERIES

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B) One option is correct|50 Videos

  • SEQUENCES AND SERIES

    AAKASH INSTITUTE|Exercise Assignment (SECTION - C) More than one option are correct|11 Videos

  • SEQUENCES AND SERIES

    AAKASH INSTITUTE|Exercise Try Yourself|85 Videos

  • RELATIONS AND FUNCTIONS

    AAKASH INSTITUTE|Exercise Assignment (Section - J) Aakash Challengers Questions|8 Videos

  • SETS

    AAKASH INSTITUTE|Exercise SECTION-I(Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

If 11 arithmetic means are inserted between 20 and 10, the number of integral arithmetic means are

If n arithemetic means are inserted between 20 and 80 such tht the ratio of first mean to the last mean is 1:3, then find the value of n

Insert five arithmetic means between 20 and 32 .

If n arithmetic means are inserted between 1 and 31 such that the ratio of the first mean nd nth mean is 3:29 then the value of n is 10 b.12 c.13 d.14

Insert four arithmetic mean (AM) between 4 and 19.

Consider that 10 arithmetic means are inserted between 3 and 7 and their sum is a Again consider that the sum of five numbers in A.P. is 30 and the value of middle terms is b . Then a + b equals

If the sum of the series 2,5,8,11,... is 60100, then find the value of n.

AAKASH INSTITUTE-SEQUENCES AND SERIES -Assignment (SECTION - A) One option is correct
  1. Four numbers are in arithmetic progression.The sum of first and last t...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. If S(n) denote the sum to n terms of an A.P. whose first term is a ...

    Text Solution

    |

  5. If three positive numbers a, b, c are in A.P. and 1/a^2,1/b^2,1/c^2 a...

    Text Solution

    |

  6. The sum of the series a-(a+d)+(a+2d)-(a+3d)+ up to (2n+1) terms is -n ...

    Text Solution

    |

  7. Let Sn denotes the sum of the first of n terms of A.P. and S(2n)=3Sn ...

    Text Solution

    |

  8. Let S(n) denotes the sum to terms of an A.P. whose first term is a . I...

    Text Solution

    |

  9. If the first second and last term of an A.P. are a ,\ b ,\ a n d\ 2a\ ...

    Text Solution

    |

  10. Sum of first n terms of an A.P. whose last term is l and common dif...

    Text Solution

    |

  11. If one geometric mean G and two arithmetic means A(1)andA(2) are inser...

    Text Solution

    |

  12. The fourth term of the G.P. 4, - 2 , 1 , … is

    Text Solution

    |

  13. Find: n th term of the G.P. sqrt(3),1/(sqrt(3)),1/(3sqrt(3)),

    Text Solution

    |

  14. Which term of the progression 18 ,-12 ,8, i s(512)/(729)?

    Text Solution

    |

  15. The third term of a G.P. is 3. Find the product of its first five term...

    Text Solution

    |

  16. "If " (a^(n)+b^(n))/(a^(n-1)+b^(n-1))" is the A.M. between" a and b, t...

    Text Solution

    |

  17. If (2p)th term of a G.P is q^2 and (2q)th term is p^2 then (p+q)th ter...

    Text Solution

    |

  18. Three number whose product it 512 are in G.P. If 8 is added to the f...

    Text Solution

    |

  19. If first and eightth terms of a G.P. are x^(-4) and x^(52) and it...

    Text Solution

    |

  20. Find the sum of first n term of a G.P.1+(1)/(2)+(1)/(4)+(1)/(8)+...

    Text Solution

    |