Home
Class 10
MATHS
Find the number of terms in the A.P: 18,...

Find the number of terms in the A.P: 18, `15 1/2`,13,…., -47.

Promotional Banner

Topper's Solved these Questions

  • 2020 QUESTION PAPER (1)

    AGRAWAL PUBLICATION|Exercise EXERCISE|33 Videos
  • CIRCLES

    AGRAWAL PUBLICATION|Exercise EXAMPLE|51 Videos

Similar Questions

Explore conceptually related problems

Find the number of terms in the following A.P. : 18, 15(1)/(2), 13 .. -47 .

Find the number of terms of the AP 18,(31)/(2),13,......,-(99)/(2) and find the sum of all its terms.

Find the number of terms in the A.P. 7, 10, 13, .........., 31.

(i) Find the number of terms in the A.P. 8, 12, 16, ........124 (ii) Find the number of terms in the A.P. 75, 70, 65, .....15

How many terms are there in the AP 18, 15(1)/(2), 13,…, -47?

Find the number of terms of the A.P. -12 ,\ -9,\ -6,\ dot,\ 12 . If 1 is added to each term of this A.P., then find the sum of all terms of the A.P. thus obtained.

Find the number of terms in each of the following A.P.s : 18,15 1/2 , 13 , …….. -47

Find the 18th terms of the A.P. 7, 13,19, 25

Find the number of tterms in each of the following A.P.'s: 18,15 (1)/(2), 13,…, - 47

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

AGRAWAL PUBLICATION-ARITHMETIC PROGRESSIONS-EXAMPLE
  1. It the mean of the first n natural number is 15, then find n.

    Text Solution

    |

  2. If in an A.P, a=15, d=-3 and an = 0, then find the value of n.

    Text Solution

    |

  3. Find the number of terms in the A.P: 18, 15 1/2,13,…., -47.

    Text Solution

    |

  4. Find the common difference of the Arithmetic Progression (A.P)

    Text Solution

    |

  5. Justify whether it is true to say that -1, -3/2, -2, 5/2, …..from an A...

    Text Solution

    |

  6. How many 2-digit numbers are divisuble by 3?

    Text Solution

    |

  7. In an AP, if the common difference (d) = -4, and the seventh term (a7)...

    Text Solution

    |

  8. Write the n^(th) term of the A.P. 1/m ,(1+m)/m, (1+2m)/m.

    Text Solution

    |

  9. If the n^(th) term of the A.P. -1,4,9,14, … is 129, find the value of ...

    Text Solution

    |

  10. Find the 9th term from the end (towards the first term) of the A.P. 5,...

    Text Solution

    |

  11. For the AP: -3,-7,-11, ……, can we directly find a(30) - a(20) without ...

    Text Solution

    |

  12. If the first three terms of an A.P are b, c abd 2b, then find the rati...

    Text Solution

    |

  13. What is the common difference of an A,P in which a(21) - a7 =84?

    Text Solution

    |

  14. For what value of k will k+9, 2k -1 and 2k+7 are the consecutive terms...

    Text Solution

    |

  15. Find the 16^(th)term of the AP,2,7,12,17,……

    Text Solution

    |

  16. Find the mean of first eleven natural numbers.

    Text Solution

    |

  17. Show that (a+b)^2, (a^2 + b^2) and (a+b)^2 are in AP.

    Text Solution

    |

  18. If the 17^(th) term of an A.P exceeds its 10^(th) term by 7, Find the ...

    Text Solution

    |

  19. Hoe many multiples of 4 die between 10 and 205?

    Text Solution

    |

  20. Determine the A.P. whose third term is 16 and 7^(th) term exceeds the ...

    Text Solution

    |