Mass - math word problems - page 10 of 79
Number of problems found: 1571
- Princess 2
A very overweight princess weighed 168 kg on 5 October. By 10 November, her weight had changed in the ratio 7:4. How much did she weigh on 10 November? Did she gain or lose weight? - Double the number of apples
Adam and Ben were picking apples. Together they picked 77 kg of apples. How much did each collect, given that Adam collected 5 kg more than twice what Ben collected? - Density of a cube
Calculate the density of a cube if its edge is 8 cm and its mass is 3 kg. - Iron rod
What is the mass of a cylindrical iron rod with a length of a = 9 m and a diameter of d = 6 cm? The density of iron is 7,800 kg/m³. Express the result in kilograms and round to the nearest whole number. - A quarter of a gram
How much is three quarters of 200 grams? - Necessary paint
3 kg of paint is sufficient for 18 m² of area. How much paint is needed to paint the walls and bottom of a swimming pool with dimensions of 25 m × 15 m and a depth of 1.5 metres? - Condensation
How many litres of water must be evaporated from 400 kg of a 10% soda solution to obtain a 16% solution? - Preparing the mixture
The seller prepared 25 kg of a mixture priced at 264 CZK per kg. The first type cost 180 CZK per kg and the second 390 CZK per kg. How much of each did he need? - Heating water
5 kg of water warmed up by 10 °C. How much heat did the water absorb? (Remember that 1 kg of water requires 4,200 J of heat to raise its temperature by 1 °C.) - Dividing Fruit by Ratio
60 kg of fruit were divided between the KOP store and the FRESH store in a ratio of 2:3. How many kilograms did the FRESH store receive? - Coal Used and Remaining
We used one quarter of the coal we bought, leaving us with 12 q. How much coal did we buy? - Shear friction
How much force must be applied to a box weighing 300 kg to move it at a constant speed along a horizontal floor, if the coefficient of sliding friction between the box and the floor is 0.5? - Six horses
How many bags of feed are needed for 6 days for six horses, if 21 bags of feed are needed for 3 days for seven horses? - Brick 5
A brick weighs 7/2 kg and a tile weighs 11/8 kg. The first truck was carrying 900 bricks and the second truck was carrying 2,000 tiles. Which truck was carrying a heavier load, and by how many kg? - Grass seed
How many kilograms of grass seed are needed to establish a lawn on a rhombus-shaped plot of land with sides of 55 m and 40 m, if the height to the shorter side is 22 m and 1 kg of seed is sufficient for 40 m²? - Figurines from Clay
How many figurines will a potter make from 14⅙ kg of clay if each figurine requires 1 5/12 kg of clay? - To a wholesaler
A farmer sold 10% of last year's corn crop to a wholesaler and a third of the remainder to small buyers. He stored the remaining 270 tonnes of corn. How many tonnes of corn did he sell in total? - Aluminum - density
The density of aluminium is 2,700 kg/m³. Calculate the mass of an aluminium cube with a volume of 80 cm³. - Sifted sand
At a construction site, sand used in mortar is sifted through a sieve. In the process, 1/6 of the coarse material does not pass through and is discarded. Determine how many cubic metres must be brought in to obtain two cubic metres of sifted sand. - Aluminum ignote At what temperature did the temperature stabilise if an aluminium ingot weighing 45 kg, initially at 15 °C, received 4.8 MJ of heat? The specific heat capacity of aluminium is 896 J/(kg·°C).
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