Reason + time - practice problems
Number of problems found: 359
- Year 2018
The product of the three positive numbers is 2018. What are the numbers? - Hypotenuse 82331
Given a right triangle KLM with a right angle at M. What is the magnitude of the hypotenuse m if the magnitude of the normal to the hypotenuse m is 4? - Fast tourists
If three tourists pass the route in 5 hours, how long will the same route take six equally fast tourists? - Magnitude of angle
What magnitude has an obtuse angle enclosed by the hands of clocks at 12:20 hours? - Eggs
One egg boiled for 10 minutes. How long will it take to boil ten eggs at a time? - Grandsons
Janko is the fifth oldest and, at the same time, the fifth youngest grandson. How many grandchildren do grandparents have? - Coins
On coins found was stated that from the year 87 BC. Is it right? - Family
The twins Nina and Ema have five years younger brother Michal. Together have 43 years. How old is Michal? - Christmas Day
In leap years was 53 Sundays. On what day of the week fell Christmas Day? - Trams
Trams have an average speed of 23 km/h and run in tact 14 minutes. Pedestrian walking speed is 3.3 km/h. At what intervals do trams outrun pedestrians? - 3 cats
Three cats eat three mice in 3 days. How many mice will be eaten by ten cats in 10 days? - Oak forest
It takes 45 years to grow from Little oak Oak. How long will it take for an oak forest to grow out of 286 Little oaks? - Two ages
Gabrielle is nine years younger than Mikhail. The sum of their ages is 87. What is Mikhail's age? - Three elephants
Three elephants eat three piles of hay in 150 minutes. For how long do 96 elephants eat 96 stacks of hay? - Supply 82149
The water supply is enough for 12 horses for 16 days. How many horses will this supply of water last for 12 days? - Probability 71164
We roll the dice twice. What is the probability that if an even number falls for the first time, the even number will fall a second time? - A man 11
A man is x years old. In 10 years, he will be twice as old as he was 5 years ago. How old will he be in 10 years? - Five pupils
Five pupils clean 30 chairs one hour before four pupils. How many chairs clean one pupil in 1 hour? - Painters
Fifteen painters painted the fence for 280 minutes. For how many minutes, paint half of this fence with 12 painters? - Minutes 80992
Three eggs are cooked in 15 minutes; how long will it take to cook 15 eggs at once?
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