Reason + fractions - practice problems - page 8 of 10
Number of problems found: 197
- Two sisters
Two sisters together have 54 CDs. 6/8 CDs have a younger sister and are equal to 3/5 of CDs older sisters. How many CDs has each of the sisters? - Doubling
The message is spreading that each day has doubled the number of people who know about it. All know a message for 20 days. How long known it, eighth people? - Remaining 4262
Owl Wesley read the book for three days. On the first day, she read one-fifth of the pages. On the second day, she read half of the remaining and the last 30 pages on the third day. How many pages did the whole book have? - Centipede 4257
Centipede Mirka consists of a head and several articles. Each pair has one pair of legs. When it got cold, she decided to get dressed. Therefore, she put on a sock on her left foot in the third article from the end and then on every other third article. S
- Together 4204
Three bowls together have the same price as seven plates. Four bowls have the price of six cups. How many cups are as valuable as 28 plates? - Family party
Anna has 5 €, Anezka has 4,60 €, and for all the money, they want to buy desserts for a family party. They decide between cakes and a pinwheel: The pinwheel is € 0.40 more expensive than the cake, and the cakes can be bought for all the money by a third m - Proportion 3514
The brothers collect magnets. Ondrej has 32, 18 he kept. He gave the rest to his brother. In what proportion did they split the magnets? How much more should he give to Ondřej's brother so that the ratio of numbers is 3:5? - Potatoes 3346
2/5 q of potatoes were sold in the first hour, 5/6 q in the second hour, and 40 kg in the third hour. How many kilograms of potatoes were in total? - Unknown number
Find the unknown number equal to a quarter of a fifth of a number, which is by 152 more than an unknown number.
- Preparatory 3222
Less than 50 pupils go to 9A class. A third of the pupils wrote the preparatory test with a one, a quarter with a two, no one wrote with a three, and nine pupils with a four. How many students from 9A wrote the test with a five? - Creases 2795
Three punch cuts cost as much as two creases. How much does it cost if five punch cuts cost 2 euros 50 cents? - Four-fifths 2764
There were 60 people at the rink, four-fifths of which were children under 15 years of age. A ticket for children under 15 costs €1 and for adults €2. a) How many children were there at the rink? b) How many adults were there? c) How many euros did they c - Combinations of sweaters
I have four sweaters, two are white, one red and one green. How many ways can you sort it out? - Grandmother's clocks
Grandmother's clock is late every hour by half a minute. Grandmother set the clock exactly at 8.00 am. How many hours will show after 24 hours?
- Meadow
On the meadow grazing horses, cows, and sheep, together with less than 200. If cows were 45 times more, horses 60 times more, and sheep 35 times more than there are now, their numbers would equal. How many horses, cows, and sheep are on the meadow togethe - Competition
The competition organizers wanted to spend a large amount of money to pay for the competitors. One-third of this amount was spent on prizes and the remaining € 5,000 on diplomas. How much was committed for rewards? - Trip
On the trip drank 3/10 of pupils tea, 2/5 cola, 1/4 mineral water, and the remaining three juice. How many students were on the trip? - Win in raffle
The raffle tickets were sold to 200, 5 of which were winning. What is the probability that Peter, who bought one ticket, will win? - Cake fractions
Thomas ate 1/3 of the cake, and Bobby ate 2/5 of the rest of the cake. What fraction of cake is left over for others?
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