Home
Class 10
MATHS
If an A.P. has its second term as 15, th...

If an A.P. has its second term as 15, third term as 27 its fifth term is :

A

47

B

71

C

51

D

61

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NUMBERS AND SEQUENCES

    PREMIERS PUBLISHERS|Exercise ACTIVITIES|9 Videos
  • MENSURATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|16 Videos
  • RELATIONS AND FUNCTION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|25 Videos

Similar Questions

Explore conceptually related problems

An A.P. has 21 terms. If its 11^(th) term is 25, sum of all the term is :

The 4^(th) term of a G.P. is square of its second term, and the first term is – 3.Determine its 7^(th) term.

The sum of the first four terms of an A.P. is 56. The sum of the last four terms is 112. If its first term is 11, then find the number of terms.

In an A.P, the first term is 5 and the sum of the first two terms is 15/2 . (i) Find the common difference

In an A.P., the first term is 2 and the sum of first five terms is 5. Then the 31th term is

If the pth term of an A.P. is q and the qth term is p , then find its rth term.

The first term of a G.P. is 1. The sum of the third term and fifth term is 90. Find the common ratio of G.P.

In any A.P. if sum of first six terms is 5 times the sum of next six terms then which term is zero?

In an A.P., the first term is 2 and the sum of the first five terms is one-fourth of the next five terms. Show that 20^("th") term is –112.

PREMIERS PUBLISHERS-NUMBERS AND SEQUENCES-OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS
  1. Use Euclid Division Algorithm to find the Highest Common Factor (H.C.F...

    Text Solution

    |

  2. Find a and b such that a^(b) xx b^(a) = 5184

    Text Solution

    |

  3. We say that n is congruent to r modulo m if :

    Text Solution

    |

  4. If 59-=3 (mod 7) ,46 -=4 (mod 7) then 105 -= …. (mod 7 ), 13-=…. (mod ...

    Text Solution

    |

  5. The remainder when 7 xx 13 xx 19 xx 23 xx 29 xx 31 is divided by 6 is ...

    Text Solution

    |

  6. Find the least positive value of x such that 197 -= (x + 3) (mod 5).

    Text Solution

    |

  7. Find x if 10^(4) -= x (mod 23)

    Text Solution

    |

  8. What is the time 100 hours after 6 am ?

    Text Solution

    |

  9. The n^(th) term of the sequence 4, 7, 12, 19, … is

    Text Solution

    |

  10. In an A.P. with first term 'a' and common difference 'd' t(2n) - t(n) ...

    Text Solution

    |

  11. If an A.P. has its second term as 15, third term as 27 its fifth term ...

    Text Solution

    |

  12. No. of terms is the A.P.2,5,8,11,…..110 is :

    Text Solution

    |

  13. In the A.P. 3,5,7,…43, find the middle term :

    Text Solution

    |

  14. If 7 + k, 22 -k " and " 5k + 5 are in A.P. , then k is ,

    Text Solution

    |

  15. What is the sum of first n natural numbers ?

    Text Solution

    |

  16. If the 3^(rd) term of a G.P. is 4/3 " and " 6^(th) " term is " 32/81 f...

    Text Solution

    |

  17. An A.P. has 21 terms. If its 11^(th) term is 25, sum of all the term i...

    Text Solution

    |

  18. Find the no. of terms in the G.P. 4,8,16,….512.

    Text Solution

    |

  19. Find x if 4,x, 9 are in G.P:

    Text Solution

    |

  20. Find the sum 4 + 1 + 1/4 + …. " to " infty.

    Text Solution

    |