Unit conversion - practice for 13 year olds - page 9 of 43
Number of problems found: 843
- The convoy
During a military exercise, the convoy left the camp at 5 hours at a speed of 40 km/h. Half an hour later, the commander sent a motorcycle clutch at a speed of 70 km/h. How long before the motorcycle clutch reaches the column? - Average speed
The average speed of a pedestrian who walked 10 km was 5km/h, and the average speed of a cyclist on the same track was 20km/h. In how many minutes did the route take more than a cyclist? Q - Car consumption
The car has consumption 7.3 l/100 km. How much money will it cost to ride 330 km in long if the diesel price is 1.63 USD/l? - Increases 69454
The car weighs 1850 kg and increases its speed from 27 to 81 km/h. How much has its kinetic energy increased? - Indicated 32771
Did Sonia not like the ratio indicated on the jelly sugar; which picture is wrong and why? A) for 1000g of fruit, add 350g of sugar 3:1: super jelly sugar B) 3:1 for 1500 g of fruit, add 500 g of sugar: extra jelly sugar - Complied 8661
Police found that the car had traveled 300m in 20 seconds. He complied with the driver's maximum allowed speed of 50 km/h - Performs 7048
The older type of point device performs 50 spot welds in 10 minutes, and the new type has five more welds. In how many hours will the work produce a total of 945 welds? - Accelerating 4813
When accelerating from 0 to 100 km/h in 9.3 seconds, what distance will the car travel? - Tom has
Tom has a water tank that holds 5 gallons of water. Tom uses water from a full tank to fill six bottles holding 16 ounces and a pitcher holding 1/2 gallon. How many ounces of water are left in the water tank? - Scientific notation
Approximately 7.5x105 gallons of water flow over a waterfall each second. There are 8.6x104 seconds in 1 day. Select the approximate amount of water flowing over the waterfall in 1 day. - Walkers
Walker, which makes 120 steps per minute, makes the distance from point A to point B 55 minutes. The length of his step is 75cm. How long does this distance go, a boy who will do 110 steps 60 cm long in a minute? - Intervention 82748
The missile flies towards the plane at a 2000 km/h speed. The speed of the plane is 1000 km/h. The intervention is after 1.5 minutes. How far apart were the rocket and the aircraft in the beginning? - Twenty-euro 55331
Ivan went to the cinema with his friends. He bought five tickets for 57 cents, two popcorn for 66 cents, and 6 Coca-Cola for 1 euro and 9 cents. He paid with a twenty-euro bill. How many cents does he have left? - Container 7859
I have 35% alcohol and want to make 1 liter of 1% solution. How much ml of alcohol should I put on the bottom of a one-liter container and pour water over it? - Library
They packed books in the library. They used 45 cm of wrapping paper per book. Wrapping papers are sold in rolls of 3 meters. How many such roles do they need to wrap 20 books? - Central Park
Central Park is a rectangular park in New York City, and the map scale is 1 cm: 320 m (It means 1 cm on the map represents 320 m in the real world. ). Find the north-south distance if the length on the map is 2.5 cm. - Two trains
Two trains go at each other. First at a speed of 40 km/h and the second at a speed of 60 km/h. At what distance will it be 30 minutes before they will meet? - Wood
Peter chops wood. If they cut down a half hour a day, he ended work in 9 days. But Peter needs to end work three days earlier. How many minutes should a day cut down? - Three-quarters 36641
In the bakery, they prepared 616 loaves of two types of bread for the expedition: sunflower bread weighing three-quarters of a kilogram and caraway bread 900 g each. They prepared 7 kg of more than half a ton of bread. How many caraway and sunflower loave - Kilometers 8021
The pedestrian walks at a speed of 4.3 km/h. In 1 hour and 10 minutes, a cyclist followed him at an average 18 km/h speed. How many minutes will a cyclist reach a pedestrian, and how many kilometers will he travel?
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