Home
Class 10
MATHS
If (5+9+13+\ ddotto\ n\ t e r m s)/(7+9+...

If `(5+9+13+\ ddotto\ n\ t e r m s)/(7+9+11+\ ddotto\ (n+1)t e r m s)=(17)/(16)` , then `n=` (a) 8 (b) 7 (c) 10 (d) 11

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • AREAS RELATED TO CIRCLES

    RD SHARMA ENGLISH|Exercise All Questions|251 Videos

  • CIRCLES

    RD SHARMA ENGLISH|Exercise All Questions|131 Videos

Similar Questions

Explore conceptually related problems

If (5+9+13+...... n terms)/( 7 + 9 + 11 +....(n+1) terms) = 17/16 , then n=

If (3+5+7+ u p tont e r m s)/(5+8+11+ u p to10t e r m s)=7, then find the value of ndot

If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c) (17)/(23) (d) 4/5

If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c) (17)/(23) (d) 4/5

In Fig. 10.94, if A B=8c m and P E=3c m , then A E= (FIGURE) (a) 11cm (b) 7cm (c) 5cm (d) 3cm

If \ ^n C_r+\ ^n C_(r+1)=\ \ ^(n+1)C_x ,\ t h e n x = a. r b. r-1 c. n d. r+1

The trace of the matrix A=[(1,-5, 7),( 0, 7, 9),( 11 ,8, 9)] is (a) 17 (b) 25 (c) 3 (d) 12

If A and B are two events such that P(A)=4/5, a n d\ P(AnnB)=7/(10), t h e n\ P(B//A)= 1//10 b. 1//8 c. 7//8 d. 17//20

In Figure, Q R is a common tangent to the given circles touching externally at the point T . The tangent at T meets Q R at P . If P T=3. 8 c m , then the length of Q R (in cm) is (a) 3.8 (b) 7.6 (c) 5.7 (d) 1.9

If the coefficients of rth, (r+1)t h ,a n d(r+2)t h terms in the expansion of (1+x)^(14) are in A.P., then r is/are a. 5 b. 11 c. 10 d. 9

RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. The 9t h term of an A.P. is 449 and 449th term is 9. The term which...

    Text Solution

    |

  2. The n t h term of an A.P., the sum of whose n terms is Sn , is (a) S...

    Text Solution

    |

  3. The common difference of an A.P., the sum of whose n terms is Sn , i...

    Text Solution

    |

  4. If the sums of n terms of two arithmetic progressions are in the...

    Text Solution

    |

  5. If Sn denote the sum of n terms of an A.P. with first term a and c...

    Text Solution

    |

  6. If the first term of an A.P. is a and n t h term is b , then its c...

    Text Solution

    |

  7. The sum of first n odd natural numbers is 2n-1 (b) 2n+1 (c) n^2 ...

    Text Solution

    |

  8. Two A.P.’s have the same common difference. The first term of one o...

    Text Solution

    |

  9. If 18 ,\ a ,\ b ,\ -3 are in A.P., the a+b= (a) 19 (b) 7 (c) 11 (d...

    Text Solution

    |

  10. If (5+9+13+\ ddotto\ n\ t e r m s)/(7+9+11+\ ddotto\ (n+1)t e r m s)=(...

    Text Solution

    |

  11. The sum of n terms of an A.P. is 3n^2+5n , then 164 is its (a) 2...

    Text Solution

    |

  12. If the n^(t h) term of an A.P. is 2n+1 , then the sum of first n...

    Text Solution

    |

  13. If 18 t h and 11 t h term of an A.P. are in the ratio 3\ :2 , then ...

    Text Solution

    |

  14. The sum of first 20 odd natural numbers is (a) 100       (b) 210  ...

    Text Solution

    |

  15. The common difference of the A.P. is 1/(2q),(1-2q)/(2q),(1-4q)/(2q),...

    Text Solution

    |

  16. The common difference of the A.P. 1/3,(1-3b)/3,(1-6b)/3,\ dot is (...

    Text Solution

    |

  17. The common difference of the A.P. 1/(2b),(1-6b)/(2b),(1-12 b)/(2b),......

    Text Solution

    |

  18. If k ,\ 2k-1 and 2k+1 are three consecutive terms of an A.P., the va...

    Text Solution

    |

  19. The next term of the AP sqrt(7), sqrt(28), sqrt(63),… is

    Text Solution

    |

  20. The first three terms of an A.P. respectively are 3y-1,\ 3y+5 and 5y...

    Text Solution

    |