Home
Class 10
MATHS
Fill in the blanks If 4, x1, x2, x3, 28...

Fill in the blanks
If `4, x_1, x_2, x_3, 28` are in AP then `x_3` = ……………

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

If x, x+2, 3x are in A.P. then x = ?

If 1,log_(4)(x+3),log_(2)(2x-3) are in AP, then x is

Let x_1, x_2, x_3 be the roots of equation x^3-x^2+beta x+gamma=0 . If , x_1,x_2,x_3 are in A.P. then

If x, x - 2 and 3x are in AP, then find the value of x

if x+1,3x and 4x+2 are in AP then find the value of x

If a> 0 and coefficient of x^(2),x^(3),x^(4) in the expansion of (1 + x//a)^(6) are in A.P., then a equals

If 1/(x+2), 1/(x+3) and 1/(x+5) are in A.P. find x

AGRAWAL PUBLICATION-ARITHMETIC PROGRESSIONS-EXAMPLE
  1. Fill in the blanks The common difference of an A.P 6, then a(15) - a(...

    Text Solution

    |

  2. Fill in the blanks If 4/5, a, 2 are three consective terms of an AP t...

    Text Solution

    |

  3. Fill in the blanks If 4, x1, x2, x3, 28 are in AP then x3 = ……………

    Text Solution

    |

  4. Fill in the blanks If Sn = 5n^2 +3n, then n^(th) term is …….

    Text Solution

    |

  5. Fill in the blanks Find the 16^(th) term of the AP: 2,7,12,17,………

    Text Solution

    |

  6. Fill in the blanks The number of terms of AP: 18, 16, 14, ……. That ma...

    Text Solution

    |

  7. Fill in the blanks Secons term of the AP if its sn = n^2 +2n is …….

    Text Solution

    |

  8. Find the sum of the first 100 natural numbers.

    Text Solution

    |

  9. It the mean of the first n natural number is 15, then find n.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |