Home
Class 12
MATHS
If the A.M. between two numbers exceeds ...

If the A.M. between two numbers exceeds their G.M. by 2 and the GM. Exceeds their H.M. by 8/5, find the numbers.

Text Solution

Verified by Experts

A-G=2 (1)
G-H=8/5 (2)
`G^(2)=AH=(G+2(G-8//5)`
or G=8
or ab=64 (3)
From (1), we get
A=10
`rArr` a+b=20 (4)
Solving (3) and (4), we get a=4 and b=16
or a=16 and b=4
Promotional Banner

Topper's Solved these Questions

  • PROGRESSION AND SERIES

    CENGAGE|Exercise Exercise 5.1|3 Videos
  • PROGRESSION AND SERIES

    CENGAGE|Exercise Exercise 5.2|10 Videos
  • PROGRESSION AND SERIES

    CENGAGE|Exercise Multiple Correct Answer|4 Videos
  • PROBABILITY II

    CENGAGE|Exercise JEE Advanced Previous Year|25 Videos
  • PROPERTIES AND SOLUTIONS OF TRIANGLE

    CENGAGE|Exercise JEE Advanced Previous Year|11 Videos

Similar Questions

Explore conceptually related problems

The A.M. between two numbers is 27 and H.M. is 12. Find G.M.

The AM of two numbers exceeds their GM by 10 and HM by 16. Find the numbers.

The A.M. and H.M. between two numbers are 27 and 122, respectively, then find their G.M.

The harmonic mean between two numbers is 21/5, their A.M. ' A ' and G.M. ' G ' satisfy the relation 3A+G^2=36. Then find the sum of square of numbers.

The A.M. and H.M. between two numbers are 27 and 12, respectively, then find their G.M.

One number is greater than the thrice the other number by 2. If 4 j times the smaller number exceeds the greater by 5. find the number.

CENGAGE-PROGRESSION AND SERIES-Examples
  1. Let a ,b be positive real numbers. If a A1, A2, b be are in arithmetic...

    Text Solution

    |

  2. The A.M. and H.M. between two numbers are 27 and 12, respectively, t...

    Text Solution

    |

  3. If the A.M. between two numbers exceeds their G.M. by 2 and the GM. ...

    Text Solution

    |

  4. Find the sum 2017+1/4(2016+1/4(2015+…+1/4(2+1/4(1))..))

    Text Solution

    |

  5. The sum of 50 terms of the series 1+2(1+1/(50))+3(1+1/(50))^2+ is give...

    Text Solution

    |

  6. Find the sum to ininity of the series 1-3x+5x^2+7x^3+..... oo when Ix|...

    Text Solution

    |

  7. The sum of the infinite series 1+(1+1/5)(1/2)+(1+1/5+1/(5^2))(1/(2^2))...

    Text Solution

    |

  8. If the sum to infinity of the series 3+(3+d)1/4+(3+2d)1/(4^2)+oo is (4...

    Text Solution

    |

  9. Find the sum to infinity of the series 1^2+2^2+3^2+4^2+oodot

    Text Solution

    |

  10. Find the sum 2xx5+5xx9+8xx13+11xx17+.. n terms.

    Text Solution

    |

  11. Find the sum of the series 1xxn+2(n-1)+3xx(n-2)++(n-1)xx2+nxx1.

    Text Solution

    |

  12. For and odd integer n ge 1, n^(3) - (n - 1)^(3) + …… + (- 1)^(n-1) ...

    Text Solution

    |

  13. Find the sum of the following series up to n terms: 1^3/1+(1^3+2^3)/...

    Text Solution

    |

  14. Find the sum of first n terms of the series 1^3+3xx2^2+3^3+3xx4^2+5^3+...

    Text Solution

    |

  15. If sum(r=1)^n Tr=n(2n^2+9n+13), then find the sum sum(r=1)^nsqrt(Tr)do...

    Text Solution

    |

  16. Find the sum to n terms of the series 3+15+35+63+

    Text Solution

    |

  17. Find the sum of the following series to n terms 5+7+13+31+85+

    Text Solution

    |

  18. Find the sum(k=1)^(oo) sum(n=1)^(oo)k/(2^(n+k)).

    Text Solution

    |

  19. Find the sum of the products of the ten numbers +-1,+-2,+-3,+-4,a n d+...

    Text Solution

    |

  20. Find the sumsum(0leiltjlen)1.

    Text Solution

    |