Home
Class 10
MATHS
Which term of the AP 3, 15, 27, 39,… wil...

Which term of the AP 3, 15, 27, 39,… will be 120 more than its 21st term?

Text Solution

Verified by Experts

The correct Answer is:
n = 31
Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    EDUCART PUBLICATION|Exercise SHORT ANSWER (SA - II) TYPE QUESTIONS|58 Videos

  • ARITHMETIC PROGRESSIONS

    EDUCART PUBLICATION|Exercise LONG ANSWER TYPE QUESTIONS|44 Videos

  • ARITHMETIC PROGRESSIONS

    EDUCART PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS (VERY SHORT QUESTIONS)|36 Videos

  • AREAS RELATED TO CIRCLES

    EDUCART PUBLICATION|Exercise OBJECTIVE TYPE QUESTION (LONG ANSWER TYPE QUESTIONS) |19 Videos

  • CBSE PAPER (12 MARCH 2020)

    EDUCART PUBLICATION|Exercise Set III (Section - D)|2 Videos

Similar Questions

Explore conceptually related problems

Which term of the A.P.3,15,27,39,... will be 120 more than its 21 st term?

Which term of the A.P.3,15,27,39, will be 132 more than its 54th term?

Which term of the AP: 3,15,27,39,... will be 132 more than its 54^(th) term?

Which term of the A.P : 3, 15 , 27 , 39 ……. will be 132 more than its 54^(th) term ?

Which term of the A.P.3,10,17,... will be 84 more than its 13 th term?

Which term of the AP 21, 18, 15, … is -81?

Which term of the A.P 6,13,20,27,"…." is 98 more than its 24^(th) term ?

EDUCART PUBLICATION-ARITHMETIC PROGRESSIONS-SHORT ANSWER (SA - I) TYPE QUESTIONS
  1. Determine the AP whose third term is 16 and the 7th term exceeds the 5...

    Text Solution

    |

  2. Two A.P have the same common difference. The first term of one A.P is ...

    Text Solution

    |

  3. Which term of the AP 3, 15, 27, 39,… will be 120 more than its 21st te...

    Text Solution

    |

  4. If S(n) the sum of first n terms of an A.P. is given by Sn = 3n^(2) ...

    Text Solution

    |

  5. Find the sum of first 10 multiples of 3,

    Text Solution

    |

  6. If seven times the 7th term of an AP is equal to eleven times the 11th...

    Text Solution

    |

  7. The 10^(th) term of an A.P. is -4 and its 22^(nd) term is (-16). Find ...

    Text Solution

    |

  8. Find how many integers between 200 and 500 are divisible by 8.

    Text Solution

    |

  9. Determine the AP whose 3^(r d)term is 5 and the 7^(t h)term is 9.

    Text Solution

    |

  10. If the sum of the first 9 terms of an AP is equal to the sum of its fi...

    Text Solution

    |

  11. Find the number of natural numbers between 102 and 998 which are divis...

    Text Solution

    |

  12. For what value of n, the nth terms of the arithmetic progressions 63, ...

    Text Solution

    |

  13. The common difference between the terms of two AP's is same. If the di...

    Text Solution

    |

  14. In an AP, it is given that S(5) + S(7) = 167 "and" S(10) = 235, then f...

    Text Solution

    |

  15. If the 4th term of an A.P. is zero, prove that the 25th term of the A....

    Text Solution

    |

  16. For an AP, it is given that first term (a)= 5 and Common Difference (d...

    Text Solution

    |

  17. If 6 times the 6^(th) term of an A.P, is equal to 9 times the 9^(th) t...

    Text Solution

    |

  18. Find the sum of all the 11 terms of an AP whose middle most term is 30...

    Text Solution

    |

  19. Find the sum of the first 15 multiples of 8.

    Text Solution

    |

  20. Two APs have the same common difference. The difference between their...

    Text Solution

    |