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**ganesh****Administrator**- Registered: 2005-06-28
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M # 456. Find the total surface area of a right circular cylinder whose height is 12 centimeters and radius 2 centimeters. Use

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 457. In a right circular cylinder, the height is 2 centimeters less than the diameter and the ratio of the radius and its height is 7:5, what is the volume of the cylinder?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 458. The diameter of the base of a right circular cone is 7 centimeters and the slant height is 10 centimeters. What is the Lateral Surface Area? Use

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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.

M # 459. The curved surface area of a right circular cone of radius 14 centimeters is 440 square centimeters. What is the slant height of the cone? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 460. What is the Total Surface Area of a Cone of Base Radius 7 centimeters and height 24 centimeters? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 461. The circumference of the base of a 16 centimeter height solid cone is 33 centimeters. What is the volume of the cone (in cubic centimeters)? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 462. What is the volume of a cone having a base of radius 10 centimeters and height 21 centimeters? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 463. Find the approximate Volume of a right circular cone of height 3 centimeters and slant height 5 centimeters. Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 464. The volumes of two cones are in the ratio 1:4 and their diameters are in the ratio 4:5. Find the ratio of their heights.

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**ganesh****Administrator**- Registered: 2005-06-28
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.

M # 465. What is the surface area of a sphere whose radius is 7 centimeters? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 466. Find the volume of a sphere whose radius is 10.5 centimeters. Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 467. If the surface area of a sphere is 616 sqiare centimeters, what is its volume? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 468. Three solid spheres of a metal, whose radii are 1 centimeter, 6 centimeters, and 8 centimeters are melted to form another solid sphere. Find the radius of the new sphere.

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 469. If the radius of a sphere is increased by 2 centimeters, its surface area is increased by 352 square centimeters, find the radius of the sphere before the change. Use

.Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 470. Area of a circular jogging track is 3850 square meters. What is the circumference of the jogging track? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 471. The area of a rectangle is 4 times the area of a square. The length of the rectangle is 90 centimeters and the breadth of the rectangle is

of the side of the square. What is the side of the square?Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 472. If the perimeter of a square is equal to the radius of a circle whose area is 39424 square centimeters, what is the area of the square? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 473. What is the cost of painting a hall whose area is 729 square meters at the rate of painting per square meter is $28?

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**math9maniac****Member**- From: Tema
- Registered: 2015-03-30
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Only a friend tells you your face is dirty.

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**ganesh****Administrator**- Registered: 2005-06-28
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Good work, math9maniac!

M # 474. The floor of a rectangular room is 15 meters long and 12 meters wide. The room is surrounded by a passage of width 2 meters on all its sides. What is the area of the passage?

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 475. The ratio of the length and the breadth of a rectangular plot is 6:5; if the breadth of the plot is 34 meters less than the length, what is the perimeter of the rectangular plot?

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 476. The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 7803 square meters, what is the breadth of the rectangular plot?

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 477. Area of a rectangle is equal to the area of a circle whose radius is 21 centimeters. If the length and the breadth of the rectangle are in the ratio 14:11 respectively, what is its perimeter? Use

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 478. A square carpet with an area 169 square meters must have 2 meters cut off one of its edges in order to be a perfect fit for a rectangular room. What is the area of the rectangular room?

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**ganesh****Administrator**- Registered: 2005-06-28
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M # 479. A cube of 384 square centimeters surface area is melted to make y number of small cubes each of 96 square millimeters surface area. Find the value of y.

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