Home
Class 10
MATHS
The nth term of an A.P the sum of whose ...

The nth term of an A.P the sum of whose n term is `S_n` is____

A

`S_n+S_(n-1)`

B

`S_n-S_(n+1)`

C

`S_n-S_(n-1)`

D

`S_n-S_(n+1)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSION

    R G PUBLICATION|Exercise EXERCISE|122 Videos

  • AREAS RELATED TO CIRCLES

    R G PUBLICATION|Exercise EXERCISE|65 Videos

  • CIRCLES

    R G PUBLICATION|Exercise EXERCISE|34 Videos

Similar Questions

Explore conceptually related problems

Find the rth term of an A.P., the sum of whose first n terms is 2n+3n^2 .

In an A.P. the nth term is p and the sum of first n terms is q. Show that the first term of the series is (2q-pn)/n .

The first term of an A.P. is a. If sum of first p terms is zero, prove that the sum of first (p + q) terms is [a(p+q)q]/(1-p) .

The seventh term of an A.P. is 20 and the sum of first twenty terms is 610. Find the tenth term and the sum of first fifteen terms.

The sum of first ten terms of an A.P. is 120. The sum of next ten terms is 320. Find the first term and common difference.

Fill the gap The nth term of an A.P.whose first term is a and common difference is d is….

The sum of the pth and the qth term of an A.P. is equal to the sum of rth and sth term of it. Show that (p-r)th term and (s-q)th terms are equal

Fill the gap The sum of n terms of an A.P. whose first term is a and common difference is d is

if m times the mth term of an A.P. is equal to n times the nth term and m!=n show that (m+n) th is zero.

The sum of 4th and 8th term of an A.P. is 24 and the sum of 6th and 10th term is 44. Find the A.P.

R G PUBLICATION-ARITHMETIC PROGRESSION-EXERCISE
  1. If 4/5,a,2 are three consecutive terms of an A.P.then a= a)5/4 b)9/5...

    Text Solution

    |

  2. The first term of an AP is a and its common difference is d then its 1...

    Text Solution

    |

  3. Which term of the A.P.72,63,54,….is '0'? a)9th b)8th c)10th d)11t...

    Text Solution

    |

  4. The first two terms of an AP are -5 and 6.Its 21st term will be a)215...

    Text Solution

    |

  5. The next term of the AP sqrt2,sqrt8,sqrt18,….will be

    Text Solution

    |

  6. The next term of the AP sqrt27,sqrt48,sqrt75,….will be

    Text Solution

    |

  7. If the nth term of an AP is (3n+5) then its common difference is a)2 ...

    Text Solution

    |

  8. The 4th term from the end of the A.P.-11,-8,-5,….49 is a)37 b)40 c)...

    Text Solution

    |

  9. The sum of first 16 term of the AP 10,6,2,….will be a)320 b)-320 c...

    Text Solution

    |

  10. How many terms of the AP.3,7,11,15,….will make the sum 406 a)10 b)12...

    Text Solution

    |

  11. The sum of first 20 terms of the AP:1,3,5,7,9,…..is a)264 b)400 c)...

    Text Solution

    |

  12. The sum of n terms of the A.P.sqrt2,sqrt8,sqrt18,sqrt32,….is a)1/2n(n...

    Text Solution

    |

  13. The sum of first n odd natural number is

    Text Solution

    |

  14. The sum of first 100 natural number is a)5000 b)4950 c)5050 d)5150

    Text Solution

    |

  15. The sum of all 2-digit numbers divisible by 5 is a)945 b)1035 c)12...

    Text Solution

    |

  16. If4,x1,x2,x3,28are in A.P then x3= a)19 b)22 c)23 d)Cannot be dete...

    Text Solution

    |

  17. If the first,second and last term of an AP are a,b and 2a respectively...

    Text Solution

    |

  18. If Sn denotes the sum of the first n terms of an AP and if S2n=3Sn the...

    Text Solution

    |

  19. The nth term of an A.P the sum of whose n term is Sn is

    Text Solution

    |

  20. If 1/(x+2),1/(x+3),1/(x+5) are in A.P then the value of x will be a)1...

    Text Solution

    |