Maths practice for 12-year-olds - page 120 of 351
Number of problems found: 7019
- Washing machine
We paid an advance payment of 1/5 of the total price of the washing machine and then installments of 320 €. How much did the washing machine cost?
- Aspect ratio
Determine the length ratio to the width of a picture frame that is 12 3/4 inches long and 8 1/2 inches wide.
- Nick was
Nick was scuba diving at -32 1/2 feet. If he descends another 8 3/5 feet, what is his location?
- Stop
Three trams pass through the stop on Malé náměstí. Tram number 9 arrives regularly at eight-minute intervals, train number 12 stops at the stop every 10 minutes, and the third tram line number 13 stops at the stop every 12 minutes. How many times will all
- Dimension 54741
Column block shape dimension a = 25cm, b = 20cm, and volume 20dm³. Determine the height.
- Yellow tangs
In an aquarium, 2/5 of the fish are surgeonfish. Of these, 3/4 are yellow tangs. What fraction of all fish in the aquarium are yellow tangs?
- A land 2
A land owner owns two parcels of land measuring 4 2/5 hectares and 6 1/5 hectares. He sells 3/4 of the total land. How many hectares of land are left?
- The product 3
The product of the two numbers is 15 ⁵/₆. If one of the numbers is 5 ²/₃, find the other.
- Buying receipt
Fahima buys 2 packets of bread rolls costing £1.50 for each packet One bottle of ketchup costs £1.60 Three packets of sausages Fahima pays with a £10 note. She gets a 30p change. Fahima works out that one packet of sausages costs £2.30. Is Fahima right?
- Multiplied 54601
What number, when multiplied by 3/5 for the product to be 1?
- Specify 54591
Specify a number whose 2/3 equals -1/2
- Unit cost
Last Friday, the Math Society sold newspapers to raise money. Each pack weighed 65.5 kg and sold for 281.65 pesos. How much was the cost per kilogram?
- Mass fraction
Two teaspoons (24 g) of sugar are dissolved in a cup with 500 g of tea. Calculate the sugar content by weight in the tea.
- Salami 54461
500 g of salami costs 4.2 euros. How much do we pay for 0.75 kg of salami?
- When 5
When five is subtracted from both my numerator and denominator, I become 3/4. What fraction am I?
- Athletics team
All athletes from the Ostrava athletics team can start in four, five, six, and seven stages, and no one will be present. How many average athletes are in one athletic group if there are twelve groups in the section? Consider the smallest number of athlete
- A plumber
A plumber has the following lengths of PVC: 3.3 ft, 9.77 ft, 8.41 ft, 9.61 ft, and 8 ft. What is his average length of PVC?
- To the gym
Tony, Emil, and Patrick go to the gym regularly. Tony visits the gym every third day, Emil every fifth day, and Patrick every ninth day. How often does everyone meet at the gym?
- Workers 54253
Four workers packed the goods with the same output in 6 hours. In how many hours would five workers do the same job? Express it in hours and minutes.
- Obtained 54243
We obtained 4200 g of roasted coffee from 5 kg of green coffee. How many g of green coffee do we need to roast to get 10 kg of roasted coffee?
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