Examples of equations for practice for 14 year olds - page 15 of 87
Number of problems found: 1738
- Geometric progressiob
If the sum of four consecutive terms of a geometric progression is 80 and the arithmetic mean of the second and fourth terms is 30, then find terms. - A triangle
A triangle has one angle of 63.1°, and the other two are in the ratio of 2:5. What are the measurements of the two angles? - Competitors
In the first round of slalom fell 15% of all competitors and in the second round, another ten racers. Together, 40% of all competitors fell. What was the total number of competitors? - Years
Susan is three years. She will be old as Teodor now when he has 11. How old is Teodor today? - Sale off
The product cost 95 euros before the sale. After-sale off cost 74 euros and 10 cents. About what percentage of products became cheaper? - Unknown number 4
I think number. When I divided its square root by its 1/9, I got a number 1. What number am I thinking? - PC disks
Peter has 45 disks in three colors. One-fifth of the disks are blue; red is twice more than white. How much are blue, red, and white disks? - AP 6
Calculate the first five items of an arithmetic sequence if it is given: a2 – a3 + a5 = 20 a1 + a6 = 38 - Two numbers
The sum of two numbers is 1. Identify these two numbers if you know that half of the first is equal to the third of the second number. - Angles of a triangle
In triangle ABC, the angle beta is 15° greater than the angle alpha. The remaining angle is 30° greater than the sum of the angles alpha and beta. Calculate the angles of a triangle. - Semicircle
To a semicircle with a diameter of 10 cm, inscribe a square. What is the length of the square sides? - Apples 2
On the first day fell one-third, on the second quarter of the rest and on the tree remained 45 apples? How many apples were originally on the tree? - Vacation
Smiths paid a deposit for a vacation of two-sevenths of the total price of the vacation. They then also paid € 550. How much cost their vacation? - Exp
If sqrt[7](20²-12²) = sqrt[n](256), then n is: - RT - hypotenuse and altitude
The right triangle BTG has hypotenuse g=117 m, and the altitude to g is 54 m. How long are hypotenuse segments? - Daffodils 83181
The spring bouquet consists of 13 daffodils and 8 tulips, and the other 30% are freesias; how many flowers are there in total? - Represents 82661
The weight of the car with cargo is 7610 kg. The car's weight represents 23% of the car's total weight with cargo. What is the weight of the cargo? - Factors 82564
The product of two whole numbers, one of which is 19 greater than the other, equals the number 416. Find both factors. - Fifteen 82121
The father is five times older than the son. The father will be twice as old as the son in fifteen years. How old is Dad now? - Rectangle's 81776
The length of the rectangle is 5 cm greater than its width. Determine the rectangle's dimensions if you know that its perimeter is 22 cm.
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