Division - problems
6 numbers are in the ratio 3:3:4:4:5:5. Their sum is 264. What are the numbers?
What is the least common multiple of 28, 42, 22?
Five bus lines runs at intervals 3, 5, 10, 11, 13 minutes. In the morning, suddenly start at 7:00. After how many minutes the bus lines meet again?
- Metallurgical enterprise
Metallurgical company daily produces 873 tons of cast iron. How many tons of coke it burns to melt cast iron when 17 tons of cast consumes 13 tons of coke?
Calculate the integer number which, divided by 45 gives 20 and the rest 2.
The farmer farming 332 ha of arable land and the remaining 11% are meadows and pastures. How much land farmer owns?
Draw angle |∠ ABC| = 110° and built its axis. What angle is between axis angle and arm of angle?
- Pool coating
How many pieces of tiles 20 cm × 25 cm need to coat the bottom and side walls of the pool with bottom dimensions 30 m × 10 m, if the pool can fit up to 717000 liters of water?
- A family
A family of four pays for garbage collection per year 1800 Kč. How many crowns a year the waste company get from the house where lives 93 people?
Mathematical problem from Sunday evening. If the beard is growing at 0.49 mm per day and that my length is 14.4 mm, how long I don't shave?
Mr. Vesely give to the market his own 48 kg of apples, 40 kg from Mr. Kovar and 72 kg of Mr. Novak. Grossed a total of 1,920 CZK. How must divide income money for apples?
President of Slovakia earns a monthly € 7844 per month. How many times earn than Jimmy's monther salary € 987? 15.3.2014 the presidential election, which decides who will almost effortlessly 5 years to receive such space salary for nothing;)
Shepherd tending the sheep. Tourists asked him how much they have. The shepherd said, "there are fewer than 500. If I them lined up in 4-row 3 remain. If in 5-row 4 remain. If in 6-row 5 remain. But I can form 7-row." How many sheep have herdsman?
From the pump in the yard dripping water. Every drop is 1 ml. How many drops will be necessary before filling a bucket with a volume of 10 l? Calculate how long it will fulfill the bucket when drops fall each second.
Gearing consists of two wheels, one is 88 and second 56 teeth. How many times turns smaller wheel to fit the same teeth as in the beginning? How many times will turn biggest wheel?
- Package Deal - what to choose
The parents decided to purchase a mobile phone to their son. They choose from menu: ? Which offer is best?
- Apples and pears
Mom divided 24 apples and 15 pears to children. Each child received the same number of apples and pears - same number as his siblings. How many apples (j=?) and pears (h=?) received each child?
- Car model
Car model is 52 mm long and the real car is 4524 mm long. What was the scale of model car?
- Christmas trees
Salesman sold Christmas trees: spruce for € 22, pine for € 25 and fir for € 33. At the morning he had the same number of spruce, fir and pine. At the evening he had all the trees entirely sold for € 3,600. How many trees that day salesman sold?
We know little about this Greek mathematician from Alexandria, except that he lived around 3rd century A.D. Thanks to an admirer of his, who described his life by means of an algebraic riddle, we know at least something about his life. Diophantus's youth l