Home
Class 14
MATHS
Let a(1), a(2), …., a(10) be in A.P and ...

Let `a_(1), a_(2), …., a_(10)` be in A.P and `h_(1), h_(2),…. , h_(10)` be I H.P if `a_(1) = h_(1)` = 2 and `a_(10) = h_(10) = 3,` then `a_(4) h_(7)` is

A

2

B

3

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SEQUENCE, SERIES & PROGRESSIONS

    ARIHANT SSC|Exercise Final Round|18 Videos
  • SEQUENCE, SERIES & PROGRESSIONS

    ARIHANT SSC|Exercise EXERCISE LEVEL-1|43 Videos
  • RATIO, PROPORTION & VARIATION

    ARIHANT SSC|Exercise FINAL ROUND|16 Videos
  • SET THEORY

    ARIHANT SSC|Exercise EXERCISE - 15 (LEVEL -1)|29 Videos

Similar Questions

Explore conceptually related problems

IF a_(1),a_(2),a_(3),"...."a_(10) be in AP and h_(1),h_(2),h_(3),"...."h_(10) be in HP. If a_(1)=h_(1)=2 and a_(10)=h_(10)=3 , then find value of a_(4)h_(7) .

Let a_(1),a_(2),...,a_(10) be in A.P.and h_(1),h_(2),h_(10) be a_(1)=h_(1)=2 and a_(10)=h_(10)=3, then a_(-)4h_(7) is 2 b.3 c.5 d.6

Let a_(1),a_(2),a_(3)......... be in A.P. and h_(1),h_(2),h_(3)......, in H.P. If a_(1)=2=h_(1), and a_(30)=25=h_(30) then a_(7)h_(24)+a_(14)+a_(17)=

Let a_(1), a_(2), a_(3) , …..be in A.P. If (a_(1) + a_(2) + …. + a_(10))/(a_(1) + a_(2) + …. + a_(p)) = (100)/(p^(2)), p ne 10 , then (a_(11))/(a_(10)) is equal to :

ARIHANT SSC-SEQUENCE, SERIES & PROGRESSIONS-EXERCISE LEVEL-2
  1. In 40 litres mixture of milk and water the ratio of milk to water is 7...

    Text Solution

    |

  2. What will be the 33rd terms of the sequences 1,7, 25,79,…?

    Text Solution

    |

  3. All the four angles of a quadrilateral are in G.P. with common ratio r...

    Text Solution

    |

  4. A hemispherical bowl of internal diameter 54cm contains a liquid. The ...

    Text Solution

    |

  5. A and B started a business by investing money in ratio of 4 : 5. After...

    Text Solution

    |

  6. The income of HBI on the nth day is Rs. (n^2 +2) and the expenditure o...

    Text Solution

    |

  7. In the zoolozical park lucknow there are four kinds of animals viz. El...

    Text Solution

    |

  8. In the zoolozical park lucknow there are four kinds of animals viz. El...

    Text Solution

    |

  9. What is the sum of n terms of the series -1 + 1^2 - 2 + 2^2 - 3 + 3^2 ...

    Text Solution

    |

  10. Find the LCM of 1/3 , 2/9 ,5/9 and 4/(27) .

    Text Solution

    |

  11. Sum of n terms of the series log a + log((a^2)/(b)) + log((a^3)/(b^...

    Text Solution

    |

  12. If a1 , a2 , a3, …."" an are in A.P. where ai gt 0 for all i , then th...

    Text Solution

    |

  13. If x, y, z are in A.P. and tan^(-1) x, tan^(-1) y and tan^(-1)z are al...

    Text Solution

    |

  14. If 1 , logy , x , logz , y , -15 logx z are in A.P. , then which is co...

    Text Solution

    |

  15. If x , y, z are in G.P. and a^x = b^y = c^z , then logb a* logb c is ...

    Text Solution

    |

  16. If log(2)(5.2^(x)+1),log(4)(2^(1-x)+1) and 1 are in A.P,then x equals

    Text Solution

    |

  17. If 1,log9(3^(1-x)+2), log3(4*3^x-1) are in A.P then x equals to

    Text Solution

    |

  18. 17. If x gt 1, y gt 1, z gt1 are in G.P, then 1/(1+ ln x), 1/( 1+ ln ...

    Text Solution

    |

  19. Let a(1), a(2), …., a(10) be in A.P and h(1), h(2),…. , h(10) be I H.P...

    Text Solution

    |

  20. Let S1 , S2 , …. Be squares such that for each n ge 1 the length of a...

    Text Solution

    |