Ratio + reason - practice problems
Number of problems found: 134
- Inflation
What is better for people (employees)? ... - Lottery
The lottery is 60000 elk, in which 6200 wins. What is the probability that the purchase of 12 elks won nothing? - Chickens
4 chickens give 4 eggs in 4 days. How many eggs can give 8 chickens for 8 days? - Book
To number pages of the thick book, the printer used 4201 digits. How many pages has this book? - Determine 3810
Determine the ratio of the first and second GP members if q = -0.3 and a3 = 5.4. - Sum and ratio
The sum and ratio of two numbers are equal to 10. Which numbers are they? - Cats
Two cats caught two mice in two days. How many mouses will catch 6 cats for 6 days? - 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? - Cooking 3400
Cooking one egg takes 4 minutes. How many minutes does it take to cook four eggs? - Triangle 3187
In a general triangle, the aspect ratio a: b = 2: 3. What is the ratio of heights va: vb? - Three numbers
The sum of the three numbers is 287. These numbers are in a ratio of 3: 7: 1/4. Find these numbers. - The classroom
In the seventh class, the number of boys and girls is at a ratio of 4:5. Boys are 16. How many total students are in the classroom? - Painters
Fifteen painters painted the fence for 280 minutes. For how many minutes, paint half of this fence with 12 painters? - Series
Andrew wrote this series of numbers: 1,3,7,15, ...., n. Which number in the series does not belong? ... - School trip
School trip cost 247.2 Eur for one class (24 students). How much would a trip cost for two classes? (both classes together have 53 students) - Magnitudes 19623
Calculate the magnitudes of the interior angles of a triangle if you know that these are in a 2: 3: 5 ratio. - Hockey match
The hockey match ended with a result of 3:1. How many different storylines may the match have? - Pumps
The tank is filled with two pumps in 16 minutes. The first pump is filled in 30 minutes earlier than the second one. How many minutes is filled with the first pump? - Fuel consumption
Mazda car has an average nafty consumption of 4.2 liters per 100 kilometers. What is the car range for a full tank of volume 73 liters? - Pennies
Eight hundred pennies have the same value as 100 ducats. One hundred pennies have the same value as 250 tolars. How many ducats have the same value as 100 tolars?
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