Basic operations and concepts - math word problems - page 273 of 319
Number of problems found: 6371
- Dimensions 31751
The freezer box has internal dimensions of 900 mm, 0.75 m, and 6 dm. 30% of the space is filled with frozen peppers packed in boxes measuring 150mm, 100mm, and 50mm. How many boxes are in the box? - Salt solution
Calculate the weight of a 50% salt solution we prepare from 120 g of salt. - Fast tourists
If three tourists pass the route in 5 hours, how long will the same route take six equally fast tourists? - Sugar cubes
The glass holds 600 ml of tea, which represents 80% of its volume. If twenty regular sugar cubes of 2 cm are poured into the tea, how many ml of tea are poured? - Cuboid - ratios
The sizes of the edges of the cuboid are in the ratio of 2:3:5. The smallest wall has an area of 54 cm². Calculate the surface area and volume of this cuboid. - Probability 68564
What is the probability that the number a) greater than 4, b) Will the number greater than four fall on the dice roll? - Rectangular 4780
The television studio plan is made on a scale of 1:150. It shows a rectangular studio measuring 5 cm and 6 cm. If we pay 356 crowns for 1 m² of floating floor, how many crowns will we pay to cover the studio with a floating floor?
- Pairs
Teachers must choose one pair of boys and girls from the five girls and four boys. A) How many such pairs of (M + F)? B) How many pairs were only boys (M + M)? C) How many are all possible pairs? - Installments 39841
I received 30 euros in 7 installments, each installment being in whole euros. How many ways could this happen? What if the installments can be even 0 euros? How many possible solutions will there be? - Two gears
The gearbox will use a large gear to turn a smaller gear. The large gear will make 75 revolutions per minute, while the smaller gear must make 384 revolutions per minute. Find the smallest number of teeth each gear could have. [Hint: Use either GCF or LCM - Ace
We pulled out one card from a complete set of playing cards (32 cards). What is the probability of pulling the ace? - Families 83209
Coal for 15 families lasts 60 days. How many days will the coal last for 20 families? - Dices
We will throw two dice. What is the probability that the ratio between numbers on the first and second dice will be 1:2? - Tractor 19
A tractor plows a field in 48 hours using a plow with 5 blades. How long will it take it to plow the same field with a plow with 6 blades of the same width, while maintaining the same tractor speed? - Laboratory
In the laboratory, twelve liters of 80% prepared 40% alcohol were diluted to a final 70% alcohol. A five-liter barrel of 40% alcohol was available. How much will remain in the barrel of 40% alcohol?
- Saving problem
We want to save €25,000. We deposit €3,000 annually, and the interest is 4.4% (interest tax is 19%). How many years do we have to save? - The orchard
Four temporary workers harvested the orchard in 9 days. How many temporary workers do we need for six days? - Grams
How many grams of 5% solution do we need to add to 100g of 50% solution to get a 20% solution? - Water solution
How many grams of salt should we dissolve in 400 g of water to get a 20% solution? - Painting
Joseph and Fero painted the bench for four hours. If four friends helped him, how many hours would it take him to work?
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