Reasoning - math word problems - page 20 of 88
Number of problems found: 1753
- Swing balance lever
Two children with different weights sit on the swing, a lever with your shoulders. On the left side sits a child with a capacity of 30 kg, and on the right, a child with a capacity of 20 kg. One swing arm is 150 cm long. How would you seat the children so - Miloš 2
Miloš works in an optician's. He helps his friend Martin with the selection of lenses for prescription glasses. These can have: - a special anti-scratch treatment, - anti-reflection – ensures greater permeability of light into the eye, - photochromic – da - Three-digit digit sum
How many three-digit numbers have a digit sum of 6? Write the ratio of the number of created even and odd numbers and adjust it to the basic form. - Number divisor list List all composite positive two-digit numbers whose greatest common divisor with 51 is 17.
- Number divisible list List all divisible numbers by six and seven that are greater than 79 and less than 91.
- Dice probability greater
What is the probability that the number a) greater than 4, b) Will the number greater than four fall on the dice roll? - Coins in a money box
Karol has in his money box in total 19 coins, and only ten-crown and fifty-crown coins. In total he has in the money box 830 Kč saved. Which statement is false? (Provide a solution procedure for the individual statements.) a) In the money box 170 Kč (Czec - Consecutive number groups Determine the group of numbers for which the following relations hold: a) The sum of the searched three consecutive even numbers equals 978. b) The sum of the searched four consecutive odd numbers equals 312.
- Egg color combinations
Anna painted eggs for art. She had five colors for her eggs. He wants to put three of them on each. How many different colored eggs could she paint? (It's just the colors, not the shapes on them. ) - Triples
The triplets Jana, Jan, and Judy have saved a total of 180 CZK. Jana has saved three times as much as each of her two siblings. Judy and Jan have saved the same amount. a) Determine the ratio of the amounts saved by all three siblings in the order Jan, Ju - Shortest walk
An ant is crawling around this cube. The cube is made of wire. Each side of the cube is 3 inches long. (Those sides are called edges.) Points A and B are vertices of the cube. What is the least distance the ant would have to crawl if it starts from point - Orange workshop workers
Thirty-two tons of oranges are processed in eight workshops with 40 employees each. How many workers process 9 tons of oranges in 9 workshops? - Two buses
On Thursday, 240 skiers had to be transported, and two buses took 30 minutes to do so. If there were 660 skiers on the piste and three buses were used, how long did the transport take on Saturday? - Mr. Fish
Mr. Fish paid 1,080 CZK for three Christmas carp. The difference in weight between the first and second carp, and between the second and third carp, was exactly 80 dag in each case. The price of 1 kg of live carp was 120 CZK. a) Calculate the weight of ea - Egg cooking time
If eight eggs are cooked in 10 minutes, how long will it take to cook 28 eggs? - Peter Pavel age
Peter was twice as old as Paul. 4 years ago, Peter was three times as old than Paul. How old are they now? - Grid symmetry painting
How many more squares in the grid in the picture need to be painted to make it centrally symmetrical? square - x x; o; o; x o; o; x; o x; o; o; o o; x; o; o This is a sketch of a grid where the colored squares are x., Lucy - PIN code options
Emil forgot the PIN for his payment card. It knows that it is four-digit, starts with 1, ends with 2, and does not repeat digits; its digit sum is 15. How many such codes are there? List all the options. - House number divisibility The number of Beata's house is 2018. The numbers of Jura's and Dan's houses are made up of the same numbers. A) What number of Jura's house can be if it is divisible by 4? List all the options. B) What can Dan's house number be if it is divisible by 5? Li
- Isosceles triangle construction
There are six lines 3 cm, 4 cm, 5 cm, 7 cm, 8 cm, and 9 cm long, two of each length. How many isosceles triangles can be constructed from them? List all options.
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