Multiplication practice problems - page 92 of 114
Number of problems found: 2267
- Elements
If the number of elements is decreased by two, the number of permutations is decreased 30 times. How many elements are? - Hockey cards
Maroš received hockey cards as a reward after his certificate. The number of cards he received is twice the sum of the marks on his report card. Maroš has 8 subjects, and his average grade on his report card was 1.75. How many hockey cards did Maroš get? - Z7-I-4 stars 4949
Write instead of stars digits, so the next write of the product of the two numbers is valid: ∗ ∗ ∗ · ∗ ∗ ∗ ∗ ∗ ∗ ∗ 4 9 4 9 ∗ ∗ ∗ ∗ ∗ ∗ 4 ∗ ∗ - Meteorite mass
The meteorite weighed 81 grams. That is nine times the mass of the second meteorite. What was the mass of the two meteorites together? - Number pairs
Five different positive numbers are written on the board. Determine the largest possible number of pairs formed from them in which the sum of the two elements equals one of the five numbers written on the board. - Melon sales
Alfonz grew 150 melons with an average weight of 2.35 kg. He sold them for € 1.50 per kg. How much did he earn? The result is rounded to the euro. - Multiples Find all multiples of 10 that are larger than 136 and smaller than 214.
- Factorial equation Solve the equation: x!: 5 = 1008 The solution to the equation is a natural number.
- Stamp collection
Juraj has started collecting stamps, and he already has 36. His friend Simon has been collecting stamps for 12 years. He has a hundred times more in his albums than Juraj. How many stamps does Simon have? - Security
The safe's security code is set with three dials. The first dial has five different letters, the second dial has the numbers 0 to 4, and the third dial has the numbers 5 to 9. One code can be set in approximately 1 second. How should the alarm be timed so - Class arrangements
There are 4 classrooms on the ground floor of the school building, which are numbered 1,2,3,4. First-year students A, B, C, and D will be placed in these classrooms. Write all possible class arrangements and their number. Thank you - The machine
The machine was in operation for nine-tenths (in a fraction) of eight hours of working time. How long has he been running? - Cake baking
The confectioner bakes four cakes for the whole shift. How many cakes do nine confectioners bake at the same time? - Evaluate expression
Evaluate expression using the BODMAS rule: 1 1/4+1 1/5÷3/5-5/8 - Christmas trees
The seller of Christmas trees sold spruces for 220 CZK, pines for 250 CZK, and hemlocks for 330 CZK. In the morning he had an equal number of spruces, hemlocks, and pines. In the evening, he had sold all the trees and received a total of 36,000 CZK for th - If we
If we increase the unknown number by 4%, we get 780. Determine the unknown number. - Points in plane
The plane is given 12 points, 5 of which are located on a straight line. How many different lines could be drawn from these points? - Candy flavors
A bag contains 20 candies in five different flavors: cherry, lemon, orange, mango, and cola. We know that there is at least one of each flavor in the pocket and that there are twice as many lemons as cherry ones. How many ways can different flavors be rep - Two friends
Two friends met as a good man perished together for a beer. After recovering the most important topics (politics, women, football ...), one asks: - And how many children do you have? - I have three children. - And how many years have you? A friend already - There
There were 12 members on the commission. Five members were in favor, and seven members were against the proposal. In how many ways could it help the commission vote?
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