Grade - practice problems
Number of problems found: 17321
- The proportion
The first, second and third terms of the proportion are 4, 20, and 13. Find the fourth term. - Product of the fractions
By how much is the product of 2½ and 3⅘ less than 20? - Farmer 8
Farmer George cultivated 7/12 of his land with oranges, and 1/5 of the remainder with cherries, the remaining 40 a acres he planted with cash crops. How much land did the farmer cultivate in all? What fraction of land she plant with cherries? - Subtended 83194
A circle k with a center at point S and a radius of 6 cm is given. Calculate the size of the central angle subtended by a chord 10 cm long. - Seamstresses 83192
Three sewers sew 7 skirts in 15 hours. How many skirts can 2 seamstresses make in 50 hours? - Mr. Lee
Mr. Lee has a rope. The total length of the rope is 5 meters. He cuts off 350 centimeters of rope to use in his garden and another 75 centimeters to hang a bird feeder. What is the length in centimeters of the rope he has left? - Mathematics 83190
The number of students studying teacher studies in mathematics has decreased in the last twenty years in a ratio of 2:10. How many students are studying teacher studies now when twenty years ago there were 50? - A loaf of bread
Tshegofatso and Saymore have a loaf of bread. Tshegofatso eats 4/7 of the loaf and Saymore eats 1/3 of the loaf. What fraction of the loaf of bread is left over? - Percentages 83188
There are 10 bags displayed in the store, 2 of which have a hidden error. Buyers randomly choose one bag. Express in percentages the probability that they will buy the bag without a mistake. - The mean 2
The mean cost of 4 items was $39.96. The first item cost $28.50, the second item cost $41.25, and the third item cost $50. Find the cost of the fourth item. - A student 7
A student was asked to multiply 43.407 by 100. However, he multiplied the decimal fraction by 1000. What is the difference between both the products? - Beatka 83184
Anna had 3 times more than Beatka. Cilka had 2 euros more than Beátka. They had a total of 52 euros. How much did each have? - Daffodils 83181
The spring bouquet consists of 13 daffodils and 8 tulips, and the other 30% are freesias; how many flowers are there in total? - School choir
A school choir performed in 40 total competitions and lost 8. Gabrielle was a soloist in 3/8 of the winning competitions and 1/4 of the losing competitions. What fraction of the competitions did the school choir win? In how many competitions did Gabrielle - 150:130 83179
How do we divide 2660 in the ratio 150:130? - Subtract and compare
1-5/8 is the same as 11/8, true or false? - Centimeters 83177
The carpenter cut a right-angled triangle with free sides of 550 mm and 200 mm from the wooden canvas, the face of a rectangle with dimensions of 80 CM and 65 CM. How many square centimeters will the waste make up? - Slow traveler
A little mouse travels 3.6 km in 1 hour. What is its speed in m/s? - Proportional 83174
For the lever to be balanced, the arms' lengths must be inversely proportional to the weight ratio of the weights suspended on these arms. Complete the data: 30 cm, 10 cm, 4 kg, and? kg. - Correct mean and CV
For a group of 100 students, the mean and coefficient of variation of their marks were found to be 60 and 25, respectively. Later, it was found that the scores 45 and 70 were wrongly entered as 40 and 27. Find the corrected mean and coefficient of variati
Do you have homework that you need help solving? Ask a question, and we will try to solve it.