Maths practice for 14 year olds - page 264 of 318
Number of problems found: 6360
- Students 2878
Until VII. B class girls and 15 boys. All the girls and 13 boys went on a trip. It was a total of 92% of the students in the class. How many girls go to VII? B? - Grandfather's 2876
To the question: How old are your two grandchildren? The grandfather answers: if I add their sum to the product of the numbers that determine their age, I get 14. How many years have grandfather's grandchildren? Think only for years. - Grandfather 2871
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 - Increased 2870
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 Jakub. How much is left in his passbook?
- One-fifth 2869
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 - Determine 2860
Five natural numbers are given, each of which is a triple of the previous one. The largest number is bigger by 1152 than the middle number in this series. From these five numbers, determine the first number. - Denominator 2858
Which same integer must we add to the reader and the denominator of the fraction 37/73 so that the fraction equals one-half? - Entrepreneurs 2857
Three entrepreneurs decided to invest in a joint project in a ratio of 4:5:7. The largest deposit was € 3,430. How many euros did they invest together?
- Numbers 2856
The sum of the two numbers is 13. The third of the first number is three. What are the numbers? - Obtained 2855
50% of pulp is obtained from wood and 60% from paper. How much wood is needed to make 100 tons of paper? - Percentage 2853
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? - Cherries 2852
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? - Grandmother's 2850
There were chickens and kittens in the grandmother's yard. Juraj 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
- Daughter 2849
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? - Grandmother 2848
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? - Increased 2843
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? - Three-digit 2842
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. - Calculated: 2839
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:
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?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
