Maths practice for 12-year-olds - page 119 of 360
Number of problems found: 7199
- Phone number
Ivan's phone number ends with a four-digit number: When we subtract the first from the fourth digit of this four-digit number, we get the same number as when we subtract the second from the third digit. If we write the four-digit number from the back and - How many 17
How many fifths are there in four wholes? How many 1/5 are there in 4? - The temperature 14
The temperature is 12°C lower than 4 hours ago. a. What is the average temperature change per hour? b. Write an integer equation for the situation. - Determine 54881
On the tourist map with a scale of 1:50000, the section of the railway line between Bobrová Lhota and Javořiště is replaced by an arc of a circle with a radius of 6 cm. The arc is 90°. Determine the actual length of the track between the two villages. - Rectangular 54871
The arranger has at his disposal a certain number of colored targets, from which he wants to create a rectangular pattern of a flower bed. If he puts 4,5,6,8,9, or 10 targets in one row, he always has three extra targets. How many targets does it have? De - 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?
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