# Percentages + cube - math problems

#### Number of problems found: 29

• The golf The golf ball with a diameter of 43 mm is packed in a cube-shaped box. What percentage of the box volume is made up of a ball?
• Cylinder in cube Into a paper box in the shape of a cube with an edge of 10 cm is placed a can in the shape of a cylinder with a height of 10 cm and touching all the walls of the cube. What % of the volume of the cube can take up?
• Cube in sphere The cube is inscribed in a sphere with a radius r = 6 cm. What percentage is the volume of the cube from the volume of the ball?
• Seat How much m² of fabric do we need to sew a 50cm-shaped cube-shaped seat if 10% of the material we add to the folds?
• Profit growth The profit of a company increased by 25% during the year 1992, increased by 40% during the year 1993, decreased by 20% in 1994 and increased by 10% during the year 1995. Find the average growth in the profit level over the four years periods?
• The cube The cube has an edge of 12 dm. The second cube has an edge exactly 20% longer. How many % is more water in the second cube than in the first cube, if the first cube is full to 3/4 and the second to 3/8?
• Pyramid cut We cut the regular square pyramid with a parallel plane to the two parts (see figure). The volume of the smaller pyramid is 20% of the volume of the original one. The bottom of the base of the smaller pyramid has a content of 10 cm2. Find the area of the
• Cube into sphere The cube has brushed a sphere as large as possible. Determine how much percent the waste was.
• Inscribed sphere How many percent of the cube volume takes the sphere inscribed into it?
• Cube edges If the edge length of the cube increases by 50%, how does the volume of this cube increase?
• Rate or interest At what rate percent will Rs.2000 amount to Rs.2315.25 in 3 years at compound interest?
• Cube surface area The surface of the cube was originally 216 centimeters square. The surface of the cube has shrunk from 216 to 54 centimeters sq. Calculate how much percent the edge of the cube has decreased.
• Sugar cubes The glass has 600 ml of tea, which represents 80% of the volume of the glass. If you put twenty regular sugar cubes of 2 cm in the tea, how many ml of tea are poured?
• Surface of wall Find by what percentage the surface of the cube will decrease if we reduce the surface of each of its walls by 12%.
• Content area and percents Determine what percentage is smaller cube surface, when the surface area of the wall decreases by 25%.
• Sphere vs cube How many % of the surface of a sphere of radius 12 cm is the surface of a cube inscribed in this sphere?
• Inscribed sphere How many % of the volume of the cube whose edge is 6 meters long is a volume of a sphere inscribed in that cube?
• Surface area 2 Calculate how many % reduce the surface area of the cube is we reduced length of each edge by 10%.
• Reduce of the volume Calculate how many % reduce the volume of the cube is we reduced length of each edge by 10%.
• Lathe Calculate the percentage of waste if the cube with 53 cm long edge is lathed to cylinder with a maximum volume.

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