Home
Class 10
MATHS
The sum of the first five terms of an AP...

The sum of the first five terms of an AP is 55 and sum of the first ten terms of this AP is 235, find the sum of its first 20 terms.

Text Solution

Verified by Experts

The correct Answer is:
970
Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    VK GLOBAL PUBLICATION|Exercise SELF ASSESSMENT TEST|10 Videos

  • ARITHMETIC PROGRESSIONS

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE ( SHORT ANSWER QUESTION II)|39 Videos

  • AREAS RELATED TO CIRCLES

    VK GLOBAL PUBLICATION|Exercise Self -Assessment Test|11 Videos

  • CIRCLES

    VK GLOBAL PUBLICATION|Exercise SELF - ASSESSMENT TEST|11 Videos

Similar Questions

Explore conceptually related problems

1. The sum of the first five terms of an AP and the sum of the first seven terms of thesame AP is 167. If the sum of the first ten terms of this AP is 235, find the sum ofits first twenty terms.| Jaspal Singh repays his total loan of Rswith the first instalment of Rs 1000. If hemonth, what amount will be paid by hirloan does he still have to pay after the 3

The sum of the first five terms of an A.P. and the sum of the first seven terms of the same A.P. is 167. If the sum of first 10 terms of this A.P. is 235, find the sum of its first twenty terms.

If the sum of the first four terms of an AP is 40 and the sum of the first fourteen terms of an AP is 280. Find the sum of first n terms of the A.P.

The sum of the first five terms of an AP and the sum of the first seven terms of the same AP is 167. If the sum first ten terms of this AP is 235, find the sum of its first twenty terms.

The sum of the first five terms of an AP and the sum of the first seven terms of theits first twenty terms.same AP is 167. If the sum of the first ten terms of this AP is 235, find the sum of first twenty terms

If the sum of the first 9 terms of an A.P. is 81 and that of the first 18 terms is 324, find the sum of its first n terms.

The 12th term of an AP is -13 and the sum of its first four terms is 24. Find the sum of its first 10 terms.

If the sum of the first 9 terms of an AP is equal to the sum of its first 11 terms, then find the sum of its first 20 terms.

If the sum of the first 9 terms of an AP is equal to the sum of its first 11 terms, then find the sum of its first 20 terms.

If sum of first 6 terms of an AP is 36 and that of the first 16 terms is 256 , then find the sum of first 10 terms.

VK GLOBAL PUBLICATION-ARITHMETIC PROGRESSIONS -PROFICIENCY EXERCISE ( LONG ANSWER QUESTIONS )
  1. Find the sum of the integers between 100 and 200 that are divisible by...

    Text Solution

    |

  2. Show that the sum of an AP whose first term is a, the second term b an...

    Text Solution

    |

  3. Sum of the first p, q and r terms of an A.P are a, b and c, respectiv...

    Text Solution

    |

  4. If the pth term of AP is 1/q and its q th term is 1/p show that sum of...

    Text Solution

    |

  5. The sum of the first five terms of an AP is 55 and sum of the first te...

    Text Solution

    |

  6. The ratio of the 11th term to the 18th term of an AP is 2:3. Find the ...

    Text Solution

    |

  7. A sum of Rs 2700 is to be used to give eight cash prizes to students o...

    Text Solution

    |

  8. Three hundred sixty bricks are stacked in the following manner: 30 bri...

    Text Solution

    |

  9. Reshma repays her total loan of Rs 1,75,000 by paying every month sta...

    Text Solution

    |

  10. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  11. A man saved Rs 200 during the first month, Rs 225 in the second month ...

    Text Solution

    |

  12. A contract on construction job specifies a penalty for delay of comple...

    Text Solution

    |

  13. A manufacturer of wire produced 1400 m wire in the 5 th year and 1600 ...

    Text Solution

    |

  14. Find the middle term of the sequence formed by all three-digit numbers...

    Text Solution

    |

  15. Find the sum of all the two digit numbers which are either multiples o...

    Text Solution

    |

  16. Ramkali required Rs 2500 after 12 weeks to send her daughter to school...

    Text Solution

    |

  17. An arithmetic progression 5, 12, 19,..., has 50 terms. Find its last t...

    Text Solution

    |

  18. Find the middle term of the sequence formed by all numbers between 9 a...

    Text Solution

    |

  19. The sums of n terms of three arithmetical progressions are S1, S2a n d...

    Text Solution

    |

  20. If pth,qth and rth terms of an A.P. are a, b, c respectively, then sho...

    Text Solution

    |