Maths practice for 14 year olds - page 27 of 318
Number of problems found: 6343
- A fair 2
A fair die is thrown two times. What is the probability that the sum of the score is almost 8? - Rupees
Seventy coins of rs 10 and rs 50 are kept in a purse. Suppose the total value of the money in the purse is RS.1900. find the number of each type of coin. - Decimal numbers
When two decimal numbers are multiplied, the answer is 0.072. When the same two decimal numbers are added, the answer is 0.72. What are the two decimal numbers? - Probabilities
The bag has 10 green, 6 yellow, and 4 blue. What are the probabilities as a fraction, decimals, and percents?
- Body mass index
Compute for BMI, then classify: Nr; weight ; height 1; 35 kg ; 1.25 m 2; 40 kg; 1.40 m 3; 50 kg; 1.75 m 4; 55 kg; 1.65 m 5; 63 kg; 1.23 m - Math class
There are a total of 30 students in a math class. The number of boys is 2 more than 3 times the number of girls. How many boys are in this math class? - You bought
You bought a table with chairs, and you were charged $145.86. The sales tax was 4%, and the set was 15% off. What was the original price? - 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? - For triangle
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 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?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
