Home
Class 10
MATHS
If the 9^(th) term of an A.P. is zero, t...

If the` 9^(th)` term of an A.P. is zero, then prove that `29^(th)` term is double of `19^(th)` term.

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    OSWAL PUBLICATION|Exercise NCERT EXAMPLAR (EXERCISE-5.4)|12 Videos

  • ARITHMETIC PROGRESSIONS

    OSWAL PUBLICATION|Exercise BOARD CORNER (VERY SHORT ANSWER TYPE QUESTIONS)|5 Videos

  • ARITHMETIC PROGRESSIONS

    OSWAL PUBLICATION|Exercise NCERT EXAMPLAR (EXERCISE-5.2)|20 Videos

  • ARITHMETIC PROGRESSION

    OSWAL PUBLICATION|Exercise SELF -ASSESSMENT |22 Videos

  • C.B.S.E 2020 CLASS -X (DELHI)

    OSWAL PUBLICATION|Exercise DELHI SET -III ( SECTION- D ) |1 Videos

Similar Questions

Explore conceptually related problems

If the 9th term of an AP is zero, then prove that its 29th term is twice its 19th term.

If 9th term of an A.P.is zero,prove that its 29th term is double the 19th term.

If the 28^(th) term of a A.P is zero then its (72^(th) term):(39^(th) term) is

If 19^(th) term of a non-zero A.P. is zero, then ( 49^(th) term) : ( 29^(th) term) is

The m^(th) term of an A.P. is n and n^(th) term is m its p^(th) term is

If 19th term of a non-zero AP is zero, then its (49th term) : (29 th term) is

If the 4th term of an A.P. is zero, prove that the 25th term of the A.P. is three times its 11th term.

The 6th term of an A.P. is zero. Prove that its 21st term is triple its 11th term.

The fourth term of an A.P is zero.Prove that the 25 th term is triple its 11 th term

If the p^(th) term of an A.P is q and q^(th) term is p, prove that its n^(th) term is (p+q-n)

OSWAL PUBLICATION-ARITHMETIC PROGRESSIONS -NCERT EXAMPLAR (EXERCISE-5.3)
  1. The sum of the 5 ^(th) and the 7^(th) terms of an A.P. is 52 and then ...

    Text Solution

    |

  2. Find the 20th term of the AP whose 7th term is 24 less than the 11th t...

    Text Solution

    |

  3. If the 9^(th) term of an A.P. is zero, then prove that 29^(th) term is...

    Text Solution

    |

  4. Find whether 55 is a term of the AP 7, 10, 13, … or not. If yes, find ...

    Text Solution

    |

  5. Determine k, so that K^(2)+4k+8, 2k^(2)+3k+6 and 3k^(2)+4k+4 are three...

    Text Solution

    |

  6. Split 207 into three parts such that these are in AP and the product o...

    Text Solution

    |

  7. The angles of a triangle are in A.P. The greatest angle is twice the l...

    Text Solution

    |

  8. If the nth terms of the two AP's 9, 7, 5, … and 24, 21, 18, … are the ...

    Text Solution

    |

  9. If sum of the 3 ^(rd) and the 8^(th) terms of A.P. is 7 and the sum of...

    Text Solution

    |

  10. Find the 12th term from the end of the AP-2, -4, -6, …, -100.

    Text Solution

    |

  11. Which term of the AP 53, 48, 43, … is the first negative term ?

    Text Solution

    |

  12. How many numbers lie between 10 and 300, which divided by 4 leave a re...

    Text Solution

    |

  13. Find the sum of two middle terms of the AP -4/3,-1,-2/3,-1/3,...,4(1/3...

    Text Solution

    |

  14. The first term of an AP is -5 and the last term is 45. If the sum of t...

    Text Solution

    |

  15. Find the sum : 1+1.2+1.4+1.6+1.8+... (upto 21 terms)

    Text Solution

    |

  16. Find: (4-1/n)+(7-2/n) +(10-3/n) ... upto n terms

    Text Solution

    |

  17. Find the sum (i) 1+(-2)+(-5)+(-8)+ … +(-236) (ii) (4-(1)/(n))+(4-(...

    Text Solution

    |

  18. Which term of the AP -2,-7,-12, … will be -77 ? Find the sum of this A...

    Text Solution

    |

  19. If a(n)=3-4n, then show that a(1),a(2),a(3), … form an AP. Also, find ...

    Text Solution

    |

  20. In an AP, If S(n)=n(4n+1), then find the AP.

    Text Solution

    |