Maths practice for 12-year-olds - page 219 of 355

Number of problems found: 7083

Cyclist speed calculation
The cyclist completes the 3600 m long route in 12 minutes. Calculate its speed in km/h.
Tourist average speed
A tourist moving at the same pace completes a 21-kilometer hike in 4 hours, taking a 30-minute break. Calculate the average speed of tourists.
Train catch up
A freight train departs from one station at an average speed of 36 km/h. 2 hours later, personal pressure leaves in the same direction at an average speed of 48 km/h. After how many hours will the passenger train catch up with the freight train?
Noontime
In the morning temperature was 110°F. By noontime, it has gone up by 15°F. What was the noon temperature? (Give your answer in °F)
Recipe
A recipe requires 2 pounds of flour. If a chef wants to triple the recipe, how many ounces of flour will be needed?
Three Consecutive Natural Numbers
Determine the sum of three consecutive natural numbers such that the sum of the first and third numbers is 368.
Consecutive integer sum
The sum of four consecutive integers, five greater than the previous one, is 2. Find these numbers.
Erika Renata money
Erika has 126 euros. Renata has only a third of Erika and Hanka, 12 euros less than Renata. Hanka then has?
Number series sum
The difference between every two adjacent numbers equals three in a series of four numbers. The sum of these numbers is 60. Specify these numbers.
Feet to miles
A student runs 2640 feet. If the student runs an additional 7920 feet, how many total miles does the student run?
Garden side measurement
The garden has an area of 1378 m², and a side measures 53m. How much does side b measure?
Cutting paper
Divide a rectangular paper with dimensions 220mm and 308mm into squares of the same size so that they are as large as possible. Specify the length of the side of the square.
Hectolitres and liters
What part of a hectolitre is 12 liters? Write the answer as a fraction and decimal.
Cheese Consumption Weight
A package of one cheese weighs 1.80 kg. From the previous day, 0.80 kg remained. Today I have 0.53 left in the box. What was the consumption of cheese?
London trip spending
On a trip to London, Julie spent one-third of the pounds on the first day, two-thirds of the rest on the second day, and 14 pounds on the last day. How many pounds did Julia have on the trip?
Lollipop sales calculation
On Friday morning, we opened another box of lollipops, and by lunch, we sold a third of them at 4 crowns each. After lunch, we sold the rest of the box and raised the price to CZK 5 per piece. If there are 90 lollipops in the whole box, how much did we sp
Quarter number puzzle
Which number is three greater than a quarter?
Pole painting calculation
The gardener used 18 poles with a base of 15.15 cm and a height of 150 centimeters to fence the plot. Calculate how much paint he will need to paint the columns twice. One kilogram of paint covers eight square meters.
She encoded
Aunt Heda likes puzzles, but her memory is no longer working for her. She chose the 4-digit code on her mobile phone as follows: She encoded her name according to the order of the letters in the alphabet (A=1 B2 C3 D4 E5 F6 G7 H8 I9 ) inserted one multipl
A cylindrical tank
A cylindrical tank can hold 44 cubic meters of water. If the radius of the tank is 3.5 meters, how high is the tank?

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