Numbers - math word problems
Number of problems found: 2204
- Tree trunk
Calculate the average tree trunk with a circumference of 149 cm.
Seedcake costs 44 cents. How many minimum seedcakes we must buy that we can pay in cash only whole euros?
What power has a pump output to move 4853 hl of water to a height of 31 m for 8 hours?
- DIY press
Under socialism regime was in some socialist countries to own a typewriter requires special permission. That has hindered the spread of DIY literature (manually transcribed through carbon copy paper for typewriters). Calculate how many typewriters today c
- ABS CN
Calculate the absolute value of complex number -15-29i.
Calculate the integer number which, divided by 34 gives 10 and the rest 25.
- Car range
Kia has an average diesel consumption of 3.9 liters per 100 kilometers. What is the range of the car for 179 euros if fuel costs 1.3 EUR/liter, if the tank has a volume of 55 liters?
- Fuel consumption
Škoda car has an average diesel consumption of 5.9 liters per 100 kilometers. What is the car range for a full tank of volume 70 liters?
- Forest nursery
In Forest nursery plant one pine to 1.9 m2. Calculate how many plants are planting in area 362 acres.
Steel pipe has a length 2.5 meters. About how many decimetres is 1/3 less than 4/8 of this steel pipe?
- Carbon dioxide
Calculate how many grams of oxygen are in 50 g of carbon dioxide CO2. Relative atomic mass of oxygen is 16 and of carbon is 12.
- Geometric mean
Calculate the geometric mean of numbers a=15.2 and b=25.6. Determine the mean by construction where a and b are the length of the lines.
56 children lined up in groups of three. How many children did not create a trio?
- Father and son
Father and son are together 78 years. Son is 25 years younger than father. How old is the son?
- Addition of Roman numbers
Added together and write as decimal number: LXVII + MLXIV
- Railways - golden parachutes
As often happens in Slovakia habit, the state's financial institution which takes from poverty and gorilas give. A hardworking punishing taxes. Let's look at a short work of director Railway Company ZSSK - Mgr . P. K. : 18 months 'work' as director reduct
Fields go plow two tractors with various performances. The first tractor plows the whole field in 11 hours, the second tractor plows the whole field 19 hours longer. How long take plow the whole field with two tractors?
- Bits, bytes
Calculate how many different numbers can be encoded in 16-bit binary word?
- Exponential equation
Solve exponential equation (in real numbers): 98x-2=9
- Discounts on rail (ZSSK)
The railway company ZSSK offers a discount of 15% (REGIONAL) for 5 Eur/year. Calculate the real discount rate as a percentage, where passengers will travel 19 Eur per week.