Division - practice for 14 year olds
Number of problems found: 213
- Determine 5117
Determine x, y: x + y = 10 x: y = 10 - Factorial cancellation
Cancel the expression with factorials: 12! x 2 x 7! / 6 x 10! 8! - Equation - inverse
Solve for x: 7: x = 14:1000 - Divisors
Find all divisors of number 432. How many are them? - Reciprocal
What is the reciprocal of the sum of the reciprocals of 7 and 6? - Equation: 4472
Solve the equation: x!: 5 = 1008 The solution to the equation is a natural number. - The quotient
If the quotient of a number and 16 is added to 1/4, the result is 9/16. Find the number. - Comparing powers
How many times is number 56 larger than number 46? - Divide 8257
Divide a line 9 cm long in a ratio of 3:5:4 - 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? - Inscribed sphere
How much percent of the cube volume takes the sphere inscribed into it? - Increases 6105
How many times does the volume of a cube increase if its surface increases four times? - Powers of three
Simplify to a single power of 3: 35/3 Words: start fraction, 3, to the power 5, divided by, 3, end fraction. - Cutting in the ratio
Suppose a 75 m rope is cut in the ratio of 2/3. What is the measure of the longest cut? - The angles 3
The angles in a triangle are in the ratio of 3:4:5. Work out the size of each angle. - Arc
Convert to arc measures (radians): 919 ° The result write as a multiple of π - Calculate 82845
Calculate the sum of the first 9 terms of the geometric sequence if a3 equals 2 and a4 equals 8. - Divide in ratio 3
Divide 4089 items between four people, A, B, C, and D, in the proportions: 7:9:4:9. How many items do B, and D get? - Screws
The box contains eight iron, six brass, and four titanium screws. What is the probability that the randomly selected screw will not be brass? - Q of GP
Calculate the quotient of geometric progression if a1=5 and a1+a2=12.
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