Home
Class 12
MATHS
A cylindrical open water tank with a cir...

A cylindrical open water tank with a circular base is to be made out of 30 sq metres of metal sheet. Find the dimensions so that it can hold maximum water. (Neglect thickness of sheet).

Promotional Banner

Topper's Solved these Questions

  • TEST PAPER 5

    MODERN PUBLICATION|Exercise PROBLEM|41 Videos
  • TEST PAPER 7

    MODERN PUBLICATION|Exercise EXERCISE|39 Videos

Similar Questions

Explore conceptually related problems

A cylindrical vessel of capacity 500 cubic metres open at the top is to be constructed. Find the dimensions of the vessel if the material used is minimum given that the thickness of the material used is 2 cm.

An open box with a square base is to be made of a given quantity of metal sheet of area c^(2) . Show that the maximum volume of the box is (c^3)/( 6 sqrt3) cu units.

MODERN PUBLICATION-TEST PAPER 6-EXERCISE
  1. Evaluate:int (sin x-xcosx)/(x(x+sinx)) dx.

    Text Solution

    |

  2. Integrate : int sin^(-1)xdx.

    Text Solution

    |

  3. Find the particular solution of d^2 y/dx^2 =2x,given that x=0,y=2 and ...

    Text Solution

    |

  4. Solve :-(x^2+y^2)dx-2xy dy=0

    Text Solution

    |

  5. If with reference to the eight handed system of mutually perpendicular...

    Text Solution

    |

  6. If vec a =(2,3,6), vec b=(2,-2,1), vec c=(-1,0,2), find the direction ...

    Text Solution

    |

  7. Find the equation of the plane passing through (1, 3,4), (2, 1.-1) an...

    Text Solution

    |

  8. Find the equation of the plane passing through the line (x-8)/3=(y+19)...

    Text Solution

    |

  9. Find the distance of the point (-1,-5,-10) from the point of intersect...

    Text Solution

    |

  10. Let A=Rxx R and be the binary operation on A defined by (a, b) *(c,d) ...

    Text Solution

    |

  11. Let A=R-{3/5} Br f:ArarrA defined as f(x)=(3x+2)/(5x-3). Br show that ...

    Text Solution

    |

  12. Prove the following: |[ax-by-cz,ay+bx,az+cx],[bx+ay,by-cz-ax,bz+cy],...

    Text Solution

    |

  13. Find the inverse of the following matrices using elementary transforma...

    Text Solution

    |

  14. Show that the homogenous system of equations x-2y+z = 0 x+y-z = 0 ...

    Text Solution

    |

  15. (i) if x=sint, y= sinpt, then show that (1-x^2) d^2 y/dx^2 - x dy/dx +...

    Text Solution

    |

  16. A cylindrical open water tank with a circular base is to be made out o...

    Text Solution

    |

  17. Evaluate int (x^2 dx)/((x^2 +1)(x^2 +4))

    Text Solution

    |

  18. Determine the area of the region bounded by y^2=4ax by the double ordi...

    Text Solution

    |

  19. Prove by vector method that in any triangle ABC, a/sinA=b/sinB=c/sinC.

    Text Solution

    |

  20. Show that the lines (x-4)/1=(y+3)/-4=(z+1)/7 and (x-1)/2=(y+1)/-3=(z+1...

    Text Solution

    |