Maths practice for 14 year olds - page 3 of 296
Number of problems found: 5906
- Eggs in basket
If the eggs in a basket are removed twice at a time, one will remain. Two eggs will remain if the eggs are removed three at a time. If the eggs are removed four, five, or six at a time, the three, four, and five eggs will remain, respectively. However, no - A coin
Suppose you tossed a coin 12 times. The coin landed on heads 9 times and on tail 3 times. What is the probability of landing on tails? - The average 11
The average of a set of 7 numbers is 20. The average of a second set of 13 numbers is 40. What is the mean of all 20? - Tavarius
Tavarius scored an 85% on his math exam. If there were 20 questions on the exam, how many did he get correct? - Perfect square or cube
Would you classify 324 as a perfect square, perfect cube, both, or neither? ... - Scientific notation mul
A student found the product of 8 × 10³ and 7 × 105 to be 5.6 × 108. What is the error? What is the correct product? Complete the explanation. - Three angles
The three angles of a triangle are (3x-2)°, (4x+5)°, and (2x-3)°, then find the angles. - Line equation:
Line equation: y-3=8/9(x-5) Solve for slope - The average 10
The average of three fractions is 2 3/8. If two of the fractions are 2 1/5 and 1 2/3, what is the total value of the three fractions? - Two containers 2
Two containers, one large and one small, contain a total of 4 kilograms of bath salts. One-quarter of the bath salts from the large container are transferred to the small container, so the ratio of bath salts in the large container to that in the small on - RST triangle
Find out if it is possible to construct the given triangle and according to which theorem: RS = 2.5 cm ST = 7 cm TR = 4.5 cm - FGH right triangle
Given a right triangle with leg lengths f and g, and hypotenuse h, if f = 7 cm and h = 11.2 cm, what is g? - The sum 41
The sum of 640.00 was deposited in the first bank for five years, and the interest given was 160.00. Find the rate. - Evaluate 37
Evaluate the function K(x) = 2x²+3x-2 what is the value of K(½) - Sam's
Sam's age is x. His sister Jo is 2 years more than 1.1 times his age. Question: What is Jo's age in terms of x? Write an equation to find x if the sum of Sam's and Jo's ages is 44. - Full value
If 7 %=16000000, what will be 100%? - A retailer
A retailer buys an item for $2.16 and sells it for $2.70. What is the percent increase in price? - Multiplied and subtracted
When a number is multiplied by ⅔ and subtracted from 7, the result is 2⅓. What is the number? - First year
First-year students enrolled at FEI were determined to be 2,000. Fifty-five percent are electronics students. How many are IT students? (Present your solution plus answer) - The sum 40
The sum of the two numbers is 75. If the smaller number is 20 more than 1/5 of the larger number, find those two numbers. The large number is x, and the small number is y.
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