Maths practice for 14 year olds - page 300 of 362
Number of problems found: 7231
- Grandfather age
Dasha asked her grandfather, a good accountant, how old he was. He said: If you add 5 to my number of years and divide this sum by six, you will get the same result as subtracting 6 from my number of years and dividing this difference by five. How old is - Passbook amount
Mathias had a certain amount of money in the winning book. He won, and his stake increased by 100%. Mathias used half the money for a trip and donated what he won to his brother Jacob. How much is left in his passbook? - Natural numbers
Find all natural numbers that are twice as much as one-fifth plus nine. How many are there? - Groschens
The young journeyman bought a cloak, hat, and galoshes. He paid 200 grosz for everything. A cloak costs 90 groschen, more than a hat, and a hat with a cape costs 160 groschen, more than a galoshes. How much groschen did the cloak cost, and how many hats a - Fraction addition
Which same integer must we add to the reader and the denominator of the fraction 37/73 so that the fraction equals one-half? - Number sum
The sum of the two numbers is 13. The third of the first number is three. What are the numbers? - Price reduction
The washing machine originally cost 450 €, but the shop reduced it by 12%. After the second discount, it cost € 364.32. What percentage did it reduce for the second time? - Pears and cherries
Pears and cherries grow in the orchard. There are a total of 510 trees. Half of all cherries and a quarter of pears are just as many as all cherries. How many pears and how many cherries? - Chickens and kittens
There were chickens and kittens in the grandmother's yard. George found that if she added one more kitten, the number of kittens and chickens would be the same. But if she added five chickens to the original number, the kittens and chickens would have the - 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 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. - 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? - 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? - Number equality
Fill in the boxes with the same numbers so that equality applies: 550:? =? x 22
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