Reason - practice for 11 year olds - last page
Number of problems found: 408
- Father and son
Father and son are 74 years old together. Son is 30 years younger than father. How old is the son? - Trapezium zoom
How many times increase the area of the trapezoid if all sides and altitude increase 5 times? - Sumo competition
In the competition for the heaviest man was 5 competitors. The first three together weighed 369 kg. What is the minimal weight of the winner if a contestant weighed with an accuracy of one kilogram? - Pension or fraud
Imagine your entire working life working honestly and paying taxes and Social Insurance (in Slovakia). You have a gross wage 1240 Euros. You pay social insurance (you and your employer) monthly € 384 during 44 years, and your retirement is 570 Eur du
- Salary raise
The monthly salary was 620 Eur. During the year, it was raised to 727 Eur. Calculate the month from salary was increased that employee earned 7547 Eur during the whole year. - Reconstruction of the corridor
Calculate how many minutes will be reduced to travel a 167 km long railway corridor, where the maximum speed increases from 120 km/h to 160 km/h. Calculate how many minutes will shorten travel time if we consider that the train must stop at 6 stations. Ea - Ultra expensive ramps
The village Čakajovce have two-level railway crossings (the ramps), the railway company ZSR decided to replace it. The price for upgrading the two crossings is 302065 Euros. Calculate how we can obtain many houses for 77000 euros at this price. Calculate - Trolleybus
Trolleybus line No. 206 measured 24 km. If the trolley bus goes faster by 5 km/h, the way there and back would be shorter by 33 minutes. Calculate the trolley bus speed and the time it takes for a return trip.
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