Multiplication - examples - page 6
- Motion problem
From Bratislavy to Martina go car at speed 83 km/h. From Martina to Bratislavy go another car at speed 62 km/h. How many minutes before the meeting will be cars 21 km away?
- How manz
By how many is the product of the numbers 328 and 7 greater than its sum?
Whole loaded train weighs 760 tons. It has twenty wagons, each carrying 20 tons of grain and empty weighs 10 tons. How much weight a locomotive?
- Percent chaining
Calculate 20% from 70% from 80 km
Brick has volume 2.2 dm3. How many bricks can drive truck with capacity 20 ton? The density of brick is 2 g/cm3.
- Mr. Vojta
Mr. Vojta put in the bank 35000 Kč.After a year bank him credited with interest rate of 2% of the deposit amount. How then will Mr. Vojta in the bank?
- Five girls
Five girls traveling by bus. Each holds in each hand two baskets. In each basket are four cats. Each cat has three kittens. Two girls exits bus. How many legs are in the bus?
From one ton of coal is produced 726 kg of coke for iron production. How many wagons of coal by 14 tonnes per day is needed for the blast furnace, which has a daily consumption of 693 tons of coke?
- Racing track
On the racing track circling three cars. The first passes one circuit for 8 seconds, the second for 16 seconds and a third for 15 seconds. a) Calculate number of seconds since the start to catch all three cars together for the first time again across the.
Francisco got birthday 4 colour pens in different colors. How many ways he can give them side by side in pencil?
The monthly fee for the phone is 12 USD and for phone unit 0.07 USD. How much family pay phone in the first quarter Q1, if on January 1 had on the counter 97721 units and on April 1 98115 units.
Product has been discounted twice by 14%. What is the total discount given?
Wood cube with edge 10.5 cm weights 0.434 kg. What weight have 10, 100 and 1000 these cubes?
- Cars plates
How many different licence plates can country have, given that they use 3 letters followed by 4 digits?
The room has rectangle shape with dimensions 4.5 m × 4.2 m. How many meters of carpet a width of 3 need to buy to cover the entire room?
- Classroom 4
In a class of 36 pupils, 2/3 are girls. How much it is in a class girls and boys?
- Double percent
What is 70% of 70% of 10500?
The farmer farming 332 ha of arable land and the remaining 11% are meadows and pastures. How much land farmer owns?
- Money borrow
Ms. Kate wants to borrow € 2,000. The company A will borrow ten installments of 240 euros and the first two months does not pay anything. Company B it their position in 12 installments of € 210. Which company has the more favorable interest rate for Ms. K
- Unknown x
If we add to unknown number 72, then divide by 2 and then subtract 29, we get back an unknown number. What is this unknown number?