Home
Class 11
MATHS
The first term of an AP. is 5, the commo...

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

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • BINOMIAL THEOREM

    RD SHARMA ENGLISH|Exercise All Questions|228 Videos

Similar Questions

Explore conceptually related problems

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.

The first term of an A.P. is 5, the last term is 45 and the sum of its terms is 1000. Find the number of terms and the common difference of the A.P.

For an A.P., the sum of its terms is 60, common difference is 2 and last term is 18. Find the number of terms in the A.P.

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.

The first term of an A.P. is -7 and the common difference 5. Find its 18 t h term and the general term.

If the first term of an AP is -5 and the common difference is 2, then the sum of the first 6 terms is

If the first term of an AP is -5 and the common difference is 2, then the sum of the first 6 terms is

First the term of an A.P is p and its common difference is q. Find its 10th term

First the term of an A.P is p and its common difference is q. Find its 10th term

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

RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. How many terms are there in the A.P. 7,10,13,…43?

    Text Solution

    |

  2. How many terms are there in the A.P. -1,\ -5/6,\ -2/3,-1/2,\ ,(10)/3?

    Text Solution

    |

  3. The first term of an AP. is 5, the common difference is 3 and the last...

    Text Solution

    |

  4. The 6th and 17th terms of an A.P. are 19 and 41 respectively, find t...

    Text Solution

    |

  5. If 10 times the 10th term of an A.P. is equal to 15 times the 15th t...

    Text Solution

    |

  6. The 10th and 18th terms of an A.P. are 41 and 73 respectively. Find...

    Text Solution

    |

  7. In certain A.P. the 24th term is twice the 10th term. Prove that th...

    Text Solution

    |

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

    Text Solution

    |

  9. Find the 12th term from the end of the following arithmetic progres...

    Text Solution

    |

  10. Find the 12th term from the end of the following arithmetic progres...

    Text Solution

    |

  11. Find the 12th term from the end of the following arithmetic progres...

    Text Solution

    |

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

    Text Solution

    |

  13. How many numbers of two digit are divisible by 3?

    Text Solution

    |

  14. An A.P. consists of 60 terms. If the first and the last terms be 7 and...

    Text Solution

    |

  15. The sum of 4th and 8th terms of an A.P. is 24 and the sum of the 6th...

    Text Solution

    |

  16. The first and the last terms of an A.P. are a\ a n d\ l respectively. ...

    Text Solution

    |

  17. The sum of three numbers in A.P. is -3, and their product is 8. Find t...

    Text Solution

    |

  18. Find the four numbers in A.P. whose sum is 20 and the sum of whose ...

    Text Solution

    |

  19. Find the four numbers in A.P., whose sum is 50 and in which the greate...

    Text Solution

    |

  20. Find the four numbers in A.P., whose sum is 50 and in which the greate...

    Text Solution

    |