Home
Class 10
MATHS
If the 9th and 21st terms of an A.P. are...

If the 9th and 21st terms of an A.P. are 75 and 183 respectively, find its 81st term.

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSION

    NAVNEET PUBLICATION|Exercise EXERCISE|76 Videos

  • FINANCIAL PLANNING

    NAVNEET PUBLICATION|Exercise EXERCISE|45 Videos

Similar Questions

Explore conceptually related problems

If the 5th and 12th terms of an A.P. are 14 and 35 respectively, find the first term and the common difference.

The 11th term and the 21st term of an A.P are 16 and 29 respectively,then find the 41st term of that A.P.

If the 10th term and the 18th term of an A.P are 25 and 41 respectively, then find the 38th term.

The 10th term and the 18th term of an A.P. are 25 and 41 respectively, then find 38th term of that A.P. Similarly if nth term is 99, find the value of n.

If the first and last term of an A.P. are 18 and 82 respectively, then S_(25)=

If the 4th, 7th and 10th terms of a G.P. are a, b, c respectively, then

If the second term and the fourth terms of an A.P. are 12 and 20 respectively, then find the sum of first 25 terms:

If the (m + n)th and (m - n)th term of a G.P. are p and q respectively, then the mth term is …….. .

The 11^("th") term and the 21^("st") term of an A.P. are 16 and 29 respectively then find: a. The first term and common difference. b. The 34^("th") term. c. ‘n’ such that t_(n) = 55 .

NAVNEET PUBLICATION-ARITHMETIC PROGRESSION-EXERCISE
  1. How many two -digit numbers are there divisible by 3?

    Text Solution

    |

  2. Find tn for the A.P. 3,8,13,18,…

    Text Solution

    |

  3. Is the sequence -10,-4,2,8,… an A.P.? Find the 31st term,if it is an A...

    Text Solution

    |

  4. Find the value of t7+t9 for the A.P. 7,13,19,25,...

    Text Solution

    |

  5. Which term of the A.P. 50,40,30,20,…. Is the number -940?

    Text Solution

    |

  6. Find S15, if for an A.P. a=10 and d=3.

    Text Solution

    |

  7. Find S10, for an A.P. 0,1/6,1/3,….

    Text Solution

    |

  8. The sum of the 3rd and 7th terms of an A.P. is 6 and their product is ...

    Text Solution

    |

  9. Find the sum of all natural numbers between 1 and 145 which are divisi...

    Text Solution

    |

  10. Find S30, if the first term of an A.P. is 10 and the common difference...

    Text Solution

    |

  11. Sachin invested some amount in National Savings certificates in a spec...

    Text Solution

    |

  12. Find the sum of the first 100 terms of the A.P. 12,14,16,18,….

    Text Solution

    |

  13. Open ended question : Write an A.P. in which a=10 and d is any positi...

    Text Solution

    |

  14. Amit saves certain amount every month in a specific way in the first m...

    Text Solution

    |

  15. If the 9th and 21st terms of an A.P. are 75 and 183 respectively, find...

    Text Solution

    |

  16. Find the sum of even numbers between 1 to 300.

    Text Solution

    |

  17. The sum of 45 terms of an A.P. is 3195. Find its 23rd term.

    Text Solution

    |

  18. The sum of three consecutive terms of an A.P. is 30 and their product ...

    Text Solution

    |

  19. The sum of four consecutive terms of an A.P. is 2. The sum of the 3rd ...

    Text Solution

    |

  20. One person borrows Rs 4000 and agrees to repay with a total interest o...

    Text Solution

    |