Home
Class 10
MATHS
If 4/5,a,2 are three consecutive terms o...

If 4/5,a,2 are three consecutive terms of an A.P.then a=
a)`5/4` b)`9/5` c)`7/5` d)5

A

`5/4`

B

`9/5`

C

`7/5`

D

5

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

4/5,a,2 are three consecutive terms of an A.P.,find a,also the common difference.

If x,2x+p and 3x+6 are three consecutive terms of an A.P.then find the value of p.

For what value of p are 2p+1 ,13, 5p-3 three consecutive terms of an A.P.

If 2x+3y-2 , -3x+2y-4 and -3x+4y-5 be three consecutive terms of an A.P. find x,y and also the terms. Given the common difference is 5.

If x^2-5x-4 , 2x^2-x-6 and x^2+4x-2 be three consecutive terms of an A.P. find x. Also find the terms and common difference.

If the nth term of an AP is (3n+5) then its common difference is a)2 b)3 c)4 d)5

Find the 20th term and nth term of the G.P 5/2,5/4,5/8,….

If three consecutive vertices of a parallelogram ABCD are A(1,-2),B(3,6),C(5,10), then find the fourth vertex D.

The sum of first 20 terms of the AP:1,3,5,7,9,…..is a)264 b)400 c)472 d)563

What are the mean and median of the data 7,4,1,3,2,5,9,15,12

R G PUBLICATION-ARITHMETIC PROGRESSION-EXERCISE
  1. Find the sum of first twelve multiple of 7.

    Text Solution

    |

  2. If the sum of n terms of an A.P is Sn=3n^2+5nthen find the Common diff...

    Text Solution

    |

  3. If 4/5,a,2 are three consecutive terms of an A.P.then a= a)5/4 b)9/5...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. The sum of first n odd natural number is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |