Multiplication + equation - practice problems - page 5 of 7
Number of problems found: 140
- Two-fifths 7427
Divide the number 135 into two summands so that one summand is 30 greater than two-fifths of the other summand. - Differing 7391
The product of two numbers differing by four does not change when we decrease the larger number by two and increase the smaller number by one. What are the numbers? - Decomposed 7258
The number 135 can be decomposed into the product of two factors so that one will be three greater than 40% of the other. What are these factors? - Watching TV
One evening 2/3 of students watch TV. Of those students, 3/8 watched a reality show. Of the students that watched the show, 1/4 of them recorded it. What fraction of the students watched and recorded reality TV?
- Two thirds
Find two-thirds of the number equal to two-thirds of 99. Find this number. - Lengths of the pool
Miguel swam six lengths of the pool. Mat swam three times as far as Miguel. Lionel swam 1/3 as far as Miguel. How many lengths did Mat swim? - Exchanged 6256
Pupils exchanged pencils, erasers, and pens so that there were two pens for 15 pencils and three pencils for two erasers. How many erasers were there for one pen? - Two-digit 6212
I think of a number, add it to itself, subtract 6, then divide by 2, add 7 and multiply by 8. The largest two-digit number that contains only even digits came out. How much is the result greater than the imaginary number? - Pair of numbers
What is the value of the smaller of a pair of numbers for which their sum is 78 and their division quotients are 0.3?
- Participated 5634
Last year, five fewer exhibitors participated in the Autosalon exhibition. This year there were a fifth more than last year, i.e., 150 exhibitors. How many exhibitors participated in the motor show the year before? - Two-digit 5457
From how many digits can we create twenty-two-digit numbers in which the digits do not repeat? - Ninth-grade 5446
When the ninth-grade boys and girls said goodbye at the end of the school year, they each gave each other their photos. It was a total of 552 images. How many farewells were there? - Minutes 5310
They had three tower clocks in the city. Some went right, the others were 10 minutes ahead of the day, and the thirds were 12 minutes late each day. One day they struck all the clocks at noon at once. How long will it be like this again? - Elements
If the number of elements is decreased by two, the number of permutations is decreased 30 times. How many elements are?
- Equation: 4472
Solve the equation: x!: 5 = 1008 The solution to the equation is a natural number. - If we
If we increase the unknown number by 4%, we get 780. Determine the unknown number. - 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 do you have children? - I have three children. - And how many years have? A friend already doe - Star equation
Write digits instead of stars so that the sum of the written digits is odd and is true equality: 42 · ∗8 = 2 ∗∗∗ - Four swords
Obelix has three helmets, four swords, and five shields. How many words must you make at the blacksmith forge Metallurgix to be able to walk another 90 days in unique armor?
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