Division - problems
After three 10° beers consumed in a short time there are 7.4 g of alcohol in 5 kg adult human blood. How much is it per mille?
- Gimli Glider
Aircraft Boeing 767 lose both engines at 45000 feet. The plane captain maintain optimum gliding conditions. Every minute, lose 2080 feet and maintain constant speed 196 knots. Calculate how long takes to plane from engines failure to hit ground. Calculate
Write time in minutes rounded to one decimal place: 1 h 42 m 22 s.
Determine the number of all positive integers less than 2937474 if each is divisible by 11, 23, 17. What is its sum?
Regional Building Authority has an annual budget of EUR 1895050. In previous calendar year has processed 834 approval procedures. How much does an average of one building approval costs (eg unsuccessful revoke)?
27 students of 6.A class is going to a trip. They pay 7 € each. The teacher got 147 €. How many children have not paid?
We will throw two dice. What is the probability that the ratio between numbers on first and second dice will be 1:2?
What is the reciprocal of the sum of the reciprocals of 7 and 2?
Hall has dimensions 180 &time; 200 dm. What is the largest size of square tiles that can be entire hall tiled and how many we need them?
Calculate how many years has man lived for 32974 days?
Grower harvested 190 kg of apples. Pears harvested 10 times less. a) How many kg pears harvested? b) How many apples and pears harvested? c) How many kg harvested pears less than apples?
In the box are 18 bulbs with power 60 W, 8 bulbs with power 40 W and 19 with 50 W. Calculate probability that a randomly selected bulb is:
- 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 r
Calculate reciprocal of z=-0.6+1.6i:
- Tram stop
At the tram stop met tram No. 4 and no. 5 at 10 AM. Tram no. 4 runs every 5 minutes, tram No. 5 at an interval of 7 minutes. How many times will meet until 12 o'clock?
Dressmaker left a piece of canvas shorter than 5 meters. She is deciding whether it sew a skirt or dress. The canvas was exactly as much as they consumed had cut up her skirt to 120 cm, or 180 centimeters dress. What a piece of canvas left her?
Worker cut his thick log to 6 pieces for 30 min. How long he cut log to 12 pieces?
In a classroom are 30 students, boys are four times more than girls. How many boys are in the class?
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?