Maths practice for 14 year olds - page 319 of 382
Number of problems found: 7626
- Family ages
Dad, mom, and daughter are 100 years old. A father is four times as old as a daughter. Mom is ten years older than half the father and daughter. How old are they? - Chickens and hares
Old mom keeps chickens and hares. He has five times more hens than hares. Boris calculated that all animals have a total of 210 feet. How many hares and how many hens does my grandmother have? - Number property
Which number has the property that if we subtract from its five times increased by five and its three times reduced by 3, we get the original number again? - Number ratio
Determine the three numbers that are in the ratio 1:2/3:3/4, and the sum of the first two equals the smallest three-digit number. - Calculate trapezoid
A trapezoid is given: c = 4.2 cm, h = 8 cm, S = 42.4 cm, d = 8.4 It would help if you calculated the following: sides a and b, and perimeter o: - Diagonal length
The square plot has an area of 324 m². Calculate the length of the road that runs diagonally across the plot. - Dice points
Three dice throw a total of 12. Green has two times more than red. Blue is two times less than green. How many points are on each cube? - Wall tiling
The tiler covered 3/5 of the wall with tiles in two hours and 45 minutes. How long did it take to complete the entire lining area at the same power? How long did the whole job take him? - Two numbers
The sum of two numbers equals 840. The first number makes up 40% of the second number. Specify both numbers. - Original route
A walker who had covered 2/3 of the planned hiking route discovered that he had lost his map. He came back for her. After overcoming 1/4 of the route he had already traveled, he found the map. He then continued in his original direction. When he had walke - Martin and Pavol
Twelve years ago, Martin was three times older than Pavol. Now, Martin is twice as old as Pavol. How old is Martin now, and how old is Pavol? - Age difference
Milo and George are a total of 56 years old. Milo is eight years younger than George. Please find out how old each of them is. - Work commitment
The student worked 27 hours, fulfilling three-fifths of his commitment. How many more hours should he work to fulfill his promise? How many hours should he work to meet his 120% commitment? - Plum basket
There were plums in the basket. They doubled their number and then took 8 plums. They doubled the number of plums left in the basket again and took 8 plums. They doubled the number once more and took 8 plums. Then, there was no plum left in the basket. Ho - Gardeners needed
Five equally skilled gardeners mowed one-third of the park in 12 hours. How many gardeners need to be called to mow the rest of the park in 8 hours? - Number equality
Fill in the boxes with the same numbers so that equality applies: 550:? =? x 22 - Football tickets
Adam was at some of his favorite football team's home games last season. Sometimes, he bought a seat ticket for €9, sometimes a standing ticket for €5. He spent a total of €76. How many times did Adam buy a seat ticket, and how many times did he buy a sta - AP - simple
Find the first ten members of the sequence if a11 = 132, d = 3. - Bullet game
Three friends were playing bullets. They did not have the same number of marbles at the start of the game. They had them in a ratio of 2:7:5, while Mike and Jano had a total of 77 bullets. How many marbles did their friend Peter have at the beginning? Cou - Sequence members
Find the first ten members of the sequence if a11 = 132, d = 7.
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