Equation + reason - practice problems - page 30 of 36
Number of problems found: 710
- Jane and Miro
Jane's brother Miro is 42 years. And he is three times old as was Jane when Miro was for so many years as there are now Jane. How old is Jane? - Plums
In the bag was to total 136 plums. Igor took 3 plums, and Mary took 4/7 from the rest. How many plums remained in the bag? - Digits A, B, C
For the various digits A, B, and C is true: the square root of the BC is equal to the A, and the sum B+C is equal to A. Calculate A + 2B + 3C. (BC is a two-digit number, not a product). - Trickster
Figliarko has 13 cents less than Hana. Together they have 57 cents. How many cents has Hana, and how many Figliarko? - Candies
If Alena gives Lenka 3 candies will still have one more candy. If Lenka gives Alena 1 candy, Alena will have twice more than Lenka. How many candies have each of them? - Holiday SMS
Kucera and Malek start the holiday together. They agreed that they would send an SMS if they were 100 km apart. Kucera traveling at 60 km/h., Malek 90 km/h. They started at 14 hours PM. At what time do they send a message? - Mom and daughter
Mother is 39 years old. Her daughter is 15 years. For many years will the mother be four times older than the daughter? - Pedestrian and cyclist
A Pedestrian out with a speed of 4 km/hour from the city center and after 1 hour and 10 minutes came after him cyclist at a speed of 18 km/h. In how many minutes does he catch up with the pedestrian? - Father and son
Father is three times older than his son. Twelve years ago, the father was nine times more senior than the son. How old are father and son? - Cents
Julka has 3 cents more than Hugo. Together, they have 27 cents. How many cents has Julka and how many Hugo? - Lion or virgin
We toss the coin, and every throw fits a lion or a virgin with an equal probability of 1/2. Determine how much we have to make throws that, with the probability of 0.9, lions fell at least once. - Two workers
Two workers together execute some work in 10 days. The first worker would have done it himself in 20 days. How many days would they have done himself a second worker? - Students
The class has 22 students. 2 of which have assessments of 2. The count of assessment of 1 is three times more than the count of students with an assessment of 3. How many students have an assessment of 1, and how many students have an assessment of 1? - School year
At the end of the school year, 20% of the 250 children who attended school were awarded. Award got 18% of boys and 23% of girls. Find how many boys and how many girls attend school. - Pocket
Miriam spent on a trip for half-pocket gifts, and for the third remaining money bought a bagel. Six euros left her. How many euros had Miriam in her pocket? - Barrel 3
Barrel with water weights 118 kg. When we get off 75% of water, it weighs 35 kg. How many kg has an empty barrel? - Mushrooms
For five days, we collected 410 mushrooms. Interestingly, we collected ten mushrooms more every day than the preceding day. How many mushrooms have we collected during the 4th day? - Raffle
How many raffle tickets must be purchased by Peter in a raffle with issued 200 tickets if he wants to be sure to win at least a third price? The raffle draws 30 prices. - The plan
Students have collected 48 kg of paper, which is 16% of the plan. How many kilograms of paper still have to collect to fulfill the plan? - Difference 1632
The difference between the two numbers is 7. Their product 144. What are the numbers?
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