Home
Class 12
MATHS
If ab = 2a +3b, a gt0, b gt 0, then the ...

If `ab = 2a +3b, a gt0, b gt 0,` then the minimum value of ab is-

A

36

B

24

C

`1/4`

D

18

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 7|90 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 8|90 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 3|90 Videos
  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 8|30 Videos
  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

Similar Questions

Explore conceptually related problems

Let x and y be two variables and x gt 0 , xy=1 , then the minimum value of x+y is-

If ab^2c^3,a^2b^3c^4,a^3b^4c^5 are in AP (a,b,cgt0) thgen the minimum value of a+b+c is

Let x and y be two variables and x gt 0, xy=1, then the minimum value of (x+y) is-

If a gt 0, b gt 0 then the maximum area of the parallelogram whose three vertices are O(0,0), A(a cos theta, b sin theta) and B(a cos theta, -b sin theta) is

If cot theta = x (gt0), then the value of sin theta is-

Let exp(x) denotes the exponential function e^(x) . If f(x)=exp(x^((1)/(x))),x gt0 , then the minimum value of f in the interval [2, 5] is-

Let A=[(2,b,1),(b,b^(2)+1,b),(1,b,2)] where b gt 0 . Then the minimum value of ("det.(A)")/(b) is

If gt0,ygt0 " and " xy=25 , then find the minimum value of x+y .

If a+c , a+b , b+c are in G.P and a,c,b are in H.P. where a , b , c gt 0 , then the value of (a+b)/(c ) is

If alpha+ beta=(pi)/(3)(alpha gt 0 , beta gt 0) find the maximum value of tan alpha tan beta .

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 5
  1. There are n points in a plane of which m points are collinear. How man...

    Text Solution

    |

  2. The value of (""^(n) C(1)+2. ""^(n) C(2)+3. ""^(n)C(3)+…+ n""^(n)C(n))...

    Text Solution

    |

  3. If ab = 2a +3b, a gt0, b gt 0, then the minimum value of ab is-

    Text Solution

    |

  4. If a(1), a(2) , a(3),…,a (n+1) are in A. P. then the value of (1)/(a ...

    Text Solution

    |

  5. IF first term of an infinite G.P. is x and its sum is 5, then-

    Text Solution

    |

  6. If the sum of first n terms of an A.P. series is n^(2) +2n, then the ...

    Text Solution

    |

  7. Everybody in a room shake hands with everybody else. If the total numb...

    Text Solution

    |

  8. If a,b,c,d ar all real numbers and (a^(2) +b^(2)) d^(2)-2(a+c) bd + (b...

    Text Solution

    |

  9. The coefficient of x^(6) in the explanation of (x^(2) +x-1)^(4) is-

    Text Solution

    |

  10. How many nine digit numbers can be formed using the digits 2,2,3,3,5,5...

    Text Solution

    |

  11. If omega is a non-ral cube root of unity then the value of (a+b) (a+b ...

    Text Solution

    |

  12. The chanve of throwing a total of 8 with two dice is-

    Text Solution

    |

  13. If (1+i) is a root of the equation x^(3) -5x ^(2) +9x -6 =0, then its ...

    Text Solution

    |

  14. Three numbers a,b,c are such that (a^(2) +ab+b ^(2))/(ab +bc +ca) =(a+...

    Text Solution

    |

  15. The complex numbers 1,-1 and isqrt3 from a triangle which is-

    Text Solution

    |

  16. Two roots of the quadratic equation x^(2) +(i -5)x +18 +i =0 are -

    Text Solution

    |

  17. The digit in the unit's place of the number [(183)! +3 ^(183)] is-

    Text Solution

    |

  18. If in the expansion of (1+x)^(n) the coefficient of 2nd, 3rd and 4th ...

    Text Solution

    |

  19. If 2(1- x) ge 3x+17, state which of the following true-

    Text Solution

    |

  20. In a distribution, coefficient of variation =5% and variance =4, then ...

    Text Solution

    |