Home
Class 10
MATHS
The first term of an A.P. is 5, the comm...

The first term of an A.P. is 5, the common difference is 3 and the last term is 80, find the number of terms.

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSION

    MBD|Exercise EXERCISE|130 Videos

  • Areas of Plane Figures.

    MBD|Exercise Exercise|51 Videos

  • Board Question Papers

    MBD|Exercise Exercise|37 Videos

Similar Questions

Explore conceptually related problems

The sum of n terms of an A.P. is 136, the common difference is 4 and the last term is 31, find the number of terms.

If the first term a_1 of an A.P. is 22, the common difference d = -4 and the sum to n terms is 64, find n. Explain the double answer.

The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference.

If the 5th term of AP is 16 and the common difference is 4. Find the 20th term of the AP.

If first term is 2 and last term is 10 then find the sum of 5th term

The sum of some terms of G.P. is 315 whose first term and the common ratio are 5 and 2, respectively. Find the last term and the number of terms.

The first term of an A.P. is a, the second term is b and last term is c. Show that the sum of A.P. is : ((b+c-2a)(c+a))/(2(b-a)) .

MBD-ARITHMETIC PROGRESSION-EXERCISE
  1. If 9th term of an A.P. is zero, prove that its 29th term is double the...

    Text Solution

    |

  2. If (m + l)th term of an A.P. is twice the (n + l)th term, prove that (...

    Text Solution

    |

  3. The first term of an A.P. is 5, the common difference is 3 and the las...

    Text Solution

    |

  4. If the nth term of the A.P. 9, 7, 5, .... is same as the nth term of A...

    Text Solution

    |

  5. Find the second term and nth term of an A.P. whose 6th term is 12 and ...

    Text Solution

    |

  6. The first term of an A.P. is 5 and its 100th term is - 292. Find the 5...

    Text Solution

    |

  7. How many terms are there in the A.P. -7,-4,-1, 2, ...., 101 ?

    Text Solution

    |

  8. Which term of sequence 36, 31, 26, 21, 16... is the first negative ter...

    Text Solution

    |

  9. If 5 times the 5^(th) term of an A.P. is equal to 7 times the 7^(th) t...

    Text Solution

    |

  10. How many terms of the A.P. 9, 6, 3, 0, -3, ... will be needed to give ...

    Text Solution

    |

  11. How many terms of the A.P.- 6,(-11)/2,-5, (-9)/2... are needed to give...

    Text Solution

    |

  12. The sum of n terms of an A.P. is 136, the common difference is 4 and t...

    Text Solution

    |

  13. Find the sum of 40 terms of an A.P. whose third term is 1 and 6th term...

    Text Solution

    |

  14. Determine an A.P. whose nth term is an=3n^2+5n .

    Text Solution

    |

  15. Find last term of an A.P. whose sum is 148 and A.P. is 1,6, 11, 16, .....

    Text Solution

    |

  16. Find the sum of all the four digit numbers which are divisible by 29.

    Text Solution

    |

  17. How many three digit numbers leave remainder 2 when divided by 9. Also...

    Text Solution

    |

  18. The first term of an A.P. is 5 and 100th term is - 292. Find the 50th ...

    Text Solution

    |

  19. The sum of n terms of an A.P. whose first term is 5 and common differe...

    Text Solution

    |

  20. How many numbers between 10 and 200 are exactly divisible by 7 ? Find ...

    Text Solution

    |