Math practice for 13 year olds - page 146 of 413
Number of problems found: 8253
- Lucka
Lucy reads a thrilling novel about the holidays. She would read the book one day earlier if she read 16 pages daily instead of 14. How many pages does the novel have in total? - Stop
Three tram lines pass through the stop on Malé náměstí. Tram number 9 arrives regularly at 8-minute intervals, tram number 12 stops every 10 minutes, and tram number 13 stops every 12 minutes. How many times will all three tram lines stop at the stop simu - Colorado
The state of Colorado is a rectangle. The map is sold on two posters. The first has 70 cm and 50 cm dimensions on a scale of 1:1,000,000. The second poster has dimensions of 175 cm and 125 cm. What is the scale of the second poster? - Three animals
Ramrao bought a cow, a buffalo, and an ox for a total of Rs 85,000. The ratio of the price of a cow, buffalo, and ox is 4:8:5. What is the price of an ox? - Wonderland
The cost of admission to Wonderland is 51.75. each bus we take costs 267.50 and holds 48 passengers. Suppose three classes of 27 and their teacher wanted to go. How much would they need to fundraise? - 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? - The bricklayer
The bricklayer built a six-meter base of the fence in 3 hours. How long does it take to build a 14 meters long base? - Dimensions 3
The perimeter of a rectangular field is 96 meters. The length is four meters less than three times the width. Find the length and width (its dimensions). - Number product fraction
What number, when multiplied by 3/5 for the product to be 1? - Fraction equation puzzle
Specify a number whose 2/3 equals -1/2 - 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 weight price
500 g of salami costs 4.2 euros. How much do we pay for 0.75 kg of salami? - Arithmetic mean sixth
The arithmetic mean of the six numbers is precisely 9.5. The sum of these five numbers is 56.9. The sixth number is? - Water tank
There is water in the block-shaped tank with dimensions of 3 m, 1.5 m 5 m. It occupies 70% of the tank volume. Find the volume of water in the tank (in hl). - Taxes
If you were charged $243 in taxes on a $4,050 purchase, what percent tax were you charged? - Sale goods
The supermarket reduced the sale of goods twice. First by 15% and another 20% of the new price. What percentage of the original price was the final price? - Worker packing time
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. - Coffee roasting proportion
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? - A diesel car
A diesel car costs $2599 more than an unleaded petrol car and travels an average of 25,000 km per year. Diesel petrol has a consumption rate of 7.4 L per 100 km and costs $1.39 per liter. Unleaded gasoline has a consumption rate of 8.5 L per 100 km and co - Three integers
Three consecutive integers add up to 51. what are these integers?
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