Rational numbers - math word problems - page 19 of 20
Number of problems found: 400
- Race Length from Fraction
Cyclists ran 3/7 of the total length during the race and had 80.5 km to finish. How long is the race? - A water tank
Tom has a water tank that holds 5 gallons of water. Tom uses water from a full tank to fill six bottles, which hold 16 ounces, and a pitcher, which holds 1/2 a gallon. How many ounces of water are left in the water tank? - The tallest
The tallest building in the world used to be Taipei 101 in Taiwan. Its height is 0.509 km. The tallest building in North America was Sears Towers in Chicago, USA. Its height is 0.442 km. What is the difference in the heights of the buildings? - Time
Write time in minutes rounded to one decimal place: 3 h 48 m 45 s. - Ratio of Two Numbers
Fifty percent of the number x equals sixty percent of the number y. What is the ratio of the numbers x and y? - Blades
1st blade 2,5 m, 2nd blade. .1.75 m. How many of the same long pieces of these two blades can do the biggest? How long is one piece? - Cast brass
The brass cast weight was 3.77 kg. It had turned into piston weight 3.58 kg. How many grams of brass were turned off? - Barrel
The barrel of wine is filled by 9/14. What part of the barrel will remain filled when 1/4 of the wine we pour from the barrel? - Morning
Jana rose in the morning in the quarter to seven. She slept nine and a half hours. When did she go to sleep? - Floor
A room has a floor area of 33 m² and a width of 4 m. What is the perimeter of the room as shown on a map at scale 1:75, measured in centimetres? - Day
What part of the day is 8 hours 58 minutes? Express as a decimal number. - Pizza
A school survey found that 10 out of 15 students like pizza. If 5 students are chosen randomly, what is the probability that all 5 students like pizza? - Rectangular cuboid
The rectangular cuboid has a surface area 4131 cm², and its dimensions are in the ratio 2:4:5. Find the volume of this rectangular cuboid. - Field Plowed Hectares
Tractors plowed a field of 15 3/4 ha. It plowed 3 1/3 ha in the morning, 2 5/6 ha in the afternoon, and 4 1/4 ha at night. How many hectares were left to plow the next day? - Beer
After drinking three 10° beers in a short time, there are 5.2 g of alcohol in the blood of an adult weighing 5 kg. How much is this in per mille? - Alcohol
How much 56% alcohol do we need to pour into 22 liters 78% alcohol to get p3% alcohol? How much 76% alcohol do we get? - Two doctors
Doctor A makes the correct diagnosis with a probability of 89% and Doctor B with a probability of 75%. Calculate the probability of a correct diagnosis if both doctors examine the patient independently. - Number line
Visualize and color the following decimal numbers using a grid. 1. 0.35 2. 1.9 3. 0.45 4. 1.15 5. 0.8 - Acid
A barrel contains 79 litres of 60% acid. What percentage of acid remains when 4 litres are removed and replaced with the same amount of water? - Coffee
In stock are three kinds of branded coffee with prices: I. Kind. .. .. .256 Kc/kg II. Kind. .. .. .341 Kc/kg III. Kind. .. .. 345 Kc/kg Mixing these three species in the ratio 2:3:9 creates a mixture. What will the price of 250 grams of this mixture be?
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