Maths practice for 14 year olds - page 257 of 318
Number of problems found: 6357
- Determine 3277
Seventh, eighth, and ninth graders were sitting in the cinema hall. There were a total of 250 pupils in the cinema hall. There were 30 more sevens than eights and 10 fewer eights than nines. Determine how many pupils there were.
- Two-tenths 3275
The tourist ride lasted 6 hours. The tourists had three 15-minute and four 10-minute rest breaks during the tour. What % of the total walking time broke? Calculate two-tenths of a place
- Information 3273
One serving of breakfast porridge weighs 175 g. According to its nutritional information, it contains 75 g of fiber. What percentage of fiber is in this porridge?
- Three-stage 3272
In the three-stage races, which totaled 550 km, cyclists drove 38% in the first and 27% in the second stages. How many km will they cover in the third stage?
- Identify 3271
The sum of the two numbers is 110. The first number is 900% of the second number. Identify both of these numbers.
- Apples in baskets
We have eight baskets. The first basket contains four apples, and the next basket contains 29 more apples than the previous one. Find the number of apples in each basket.
- Pears
Andrew, Lenka, and Rastro have together 232 pears. Lenka has 28 more than Rastro, and Rastro pears have 96 more than Andrew. Determine how much each of them has pears.
- Students
Three students sit in the front row, and 11 students sit in every other row, more than in the previous row. Determine how many students are in the room when the room is nine lines and how many students are in the seventh row.
- Harvesters
The first harvester reaps the grain from the land for 24 hours, and the second harvester for 16 hours. How many hours will it take to harvest by two harvesters, but the second harvester started working four hours later than the first?
- Flowerbed
The family has tulips on a square flower bed of 6 meters. Later, they added a square terrace with a side of 7 meters to their house. One vertex of the terrace lay exactly in the middle of a tulip bed, and one side of the terrace was divided by the side of
- 1600 3263
a1 = 1 s40 = 1600 a40 =?
- One-quarter 3256
Michaella and Sarah have saved 220 CZK together. They went on a pilgrimage; Michaella took one-quarter of her savings, and Sarah took one-fifth of her savings. Both of them together had 50 CZK for the pilgrimage. How much did Michaella and Sarah save in t
- Grandfather 3253
Grandfather keeps 40 animals — geese, pigs, goats, and chickens—in total. There are 3 geese for every goat. If there were 8 fewer chickens, there would be as many geese and pigs combined. If Grandpa exchanged a quarter of the geese for chickens at a ratio
- Emptied 3252
If two gates are open, the company will empty the pond in 20 days. A larger sluice would empty in 30 days. How many days would he have emptied himself with only a small sluice?
- Another 3251
The car drove from Liberec to Olomouc for 5 hours. Another vehicle drove 12 km more in an hour and made the same journey in 4 hours. How far is it from Liberec to Olomouc?
- Tangerines 3249
The bowl with tangerines weighs 16 kg. When the cook dispenses 2/3 of the tangerines in the school cafeteria, the bowl with the rest of the tangerines weighs only 8 kg. What is the weight of an empty bowl?
- Copper plate
Calculate the thickness of the copper plate with a density of 8.7 g/cm³ measuring 1.5 meters and 80 cm, and its weight is 3.65 kg.
- Programmers 3247
The three programmers received a reward of 21,000 euros for their joint work. They received the money according to the work done. The first got 20% less than the second, and the third got 50% more than the first. How much did each of them receive?
- Call of Duty
Game Call of Duty in CTF (Capture the Flag) opposes the British and the Germans, whose bases are 15 km apart. A German soldier stole the British flag and hid it in a secret place between the bases. If the British soldiers set out at a speed of 14 km/h and
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