Maths practice for 12-year-olds - page 280 of 350
Number of problems found: 6996
- Customer
A customer purchased three (3) writing pads from a store. She receives a k9.70 change from a k10.00 note. How much does its writing pad cost? - Expression: 3967
Specify the value of this expression: 34:38. - Above 100%
Find 340 percent of the numbers 45 and 55. - Numbers 3965
Change the numbers 34, 21, and 5.5 in a ratio of 5:2. - Greater 3964
How many times is the number 1012 greater than the number 10-4? - Rectangular garden 4F
The fence around the rectangular garden measures 264 2/3 m. The length of the garden is 79 1/4 m. How wide is the garden? - Rectangular 3957
The block with a rectangular base measuring 18 cm and 11 cm has a surface of 1,556 cm square. Calculate the height of the block. - Calculate 3956
The rotating cylinder has a diameter of 14 cm and a surface of 1,186.92 cm square. Calculate the height of the cylinder. - Equation: 3955
What is the value of x in this equation: 2.5x: 4 = 7.5. x is a natural number. - Increase 3946 Increase number 160 by: a) 25% b) 30% c) 150%
- Calculate: 3944
Calculate: a) 23 - [2.6 + (6 - 9) - 4.52] b] 12.25 + 2 [2.7 - (-0.5 + 0.3 * 0.6)] - Temperatures 3942
The following temperatures were measured every 6 hours from 6 to 24 hours: -2.2 C, 2.1 C, 5.4 C, 3.9 C, 0.7 C, -1.9 C, -3.8 C. Calculate the average temperature from 6 to 24 hours. - Lcm simple
Find the least common multiple of these two numbers: 140 175. - Square s3
Calculate the square's diagonal, where its area is 0.49 cm square. And also calculate its circumference. - Destination 3931
The car left at 9:00 AM and arrived at the destination 144 km away at 11:00 AM. What average speed did he move? - Beginning 3930
Roland has 490 balls. If he gave 145 bullets to Marek, he would still have 100 more bullets than Marek. How many balls did Marek have at the beginning? How many shots do they have together? - Dimensions of glass
An aquarium has 64 * 50 * 45 cm dimensions and is filled 5 cm below the upper edge. How many liters of water are in an aquarium? How many square meters of glass are needed to produce an aquarium? - Rails
18 m railway weighs 1260 kg. How much weighs 100 m of welded railways? - Unknown 3922
16% of the unknown number equals the square root of the number 25. Find this unknown number. - Circumference 3919
Determine the diagonal of a square whose circumference is equal to 72 cm.
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