Maths practice for 14 year olds - page 33 of 375
Number of problems found: 7498
- Trinity 2
Trinity has saved $500 for a new car. She recently got a job as a dog walker and added $70. What percent of her original savings got added? - Triangle - XYZ
For triangle XYZ, ∠X = (6g + 14)° and the exterior angle to ∠X measures (5g + 45)°. Find the measure of ∠X and its exterior angle. - The perimeter 10
The perimeter of a rectangle is 162 inches. The length is 35 inches longer than the width. Find the length and width of the rectangle. - The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions? - The sum 30
The sum of 8 times a number and 5 times another number is 184. The first number minus the second number is -3. What are the numbers? - Percent down
$165.00 is what percentage less than $247.50? - Length and width
The length of a rectangle is 7 cm more than the width. Find the width and length if the perimeter of the rectangle is 78 cm. - Coffee factory
In a factory, 10 kg of coffee is produced in a half day. The factory is in operation nonstop for 6 1/2 days a week. Find the total amount of coffee produced in a week. - The revenue
The revenue of Dr. Alban Bookstore increased from 1 500 000 pesos (in 2018) to 2 275 000 pesos (in 2019). What was the percent increase in the yearly revenue from 2018 to 2019? - Percent base
75% of 40 is 30. What is the base? - Percent decrease
77 to 59. Find the percent decrease. - Price 11
The price increased from $2.56 to $3.76. What is the percentage increase? - A triangle 7
A triangle lot has the dimensions a=15m, b=10m, and c=20m. What is the measure of the angle between the sides of b and c? - Slope of line
What is the slope of the line that passes through the points: (-2, 4) and (-3, 1)? - Landing strip
How long is the runway at an airport if, at an altitude of 1.2 km, the beginning of the runway is visible at a depression angle of 58° and the end at a depression angle of 27°? - Factory chimney
How tall is a factory chimney if we see its top from a distance of 60 metres at an angle of 60°? - In prima, secunda and tertia
The numbers of children in prima, secunda and tertia are in the ratio 3 : 4 : 3. In prima and tertia together there are 12 more children than in secunda. How many children are in prima? - Force gauge 2
A force gauge measured the force of a gold necklace as Fg = 0.48 N in air and Fvz = 0.45 N in water. Is it made of pure gold? - Flower - permutations
At a flower shop, there are 5 different kinds of flowers: tulips, lilies, daisies, carnations, and roses. There are also 3 different colors of vases to hold the flowers: blue, green, and pink. If one kind of flower and one color of vase to hold them are t - Checkouts
When 4 checkouts are open in a supermarket, people wait in line for an average of 12 minutes. By how much does the waiting time increase when one checkout is closed?
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