Math practice for 13 year olds - page 266 of 425
Number of problems found: 8492
- Athletes
At the stadium, athletes could enter two-steps, three-steps, four-steps, five-steps, and six-steps. There were more than 100 but less than 200. How many athletes were there? - Different 6975
Three different bus lines, 80, 81, and 82, depart from the final station at 5h 20min. Line 80 departs every 30 minutes, line 81 every 20 minutes, and line 82 every 40 minutes. What time will they leave again? - Discount
The dress was discounted by CZK 115, which was 12% of the original price. What is the cost of the dress after the discount? - Sugars
In what ratio must two sorts of sugar, costing ; 390 and ; 315 per kg, be mixed to produce a mixture worth ; 369 per kg? - Ping time
Calculate the theoretical ping time between Orlando and Shenzhen, which is 14102 km distant. Ping time measures the round-trip time for small messages sent from the origin to a destination that is echoed back to the source. The name comes from active sona - Progression
-12, 60, -300,1500 need the next 2 numbers of pattern - Summer tires
Three tire servants must change the summer tires on six cars in 2 hours. Mark's replacement would take 4.5 hours, Jirka would do it in 3 hours and 10 minutes, and Honza in 4 hours. Will they be able to replace all tires at the desired time? - Brigadiers 6965
Brigadiers Ivan, Lea, and Dano earned a total of 480 €. Ivan made a third of that money. Lea and Dano made the remaining money in a 3:1 ratio. How much € did Leo earn? - Phone plan
Victoria's cell phone plan costs $30.00 a month. How much did Victoria pay per minute if she used 12.5 hours in May? - Quarter circle
What is the radius of a circle inscribed in the quarter circle with a radius of 100 cm? - Square metal sheet
We cut out four squares with a 300 mm side from a square sheet metal plate with a side of 0.7 m. Express the fraction and the percentage of waste from the square metal sheet. - Bricklayer
How much do we pay for a bricklayer laying pavement in a square room with a diagonal of 8 m if 1 sqm of work will cost CZK 420? - Water level
How high is the water in the swimming pool with dimensions of 37m in length and 15m in width if an inlet valve is opened for 10 hours, flowing 12 liters of water per second? - Equilateral triangle ABC
In the equilateral triangle ABC, K is the center of the AB side, the L point lies on one-third of the BC side near point C, and point M lies on one-third of the side of the AC side closer to point A. Find what part of the ABC triangle contains the triangl - Triangular 6950
A triangular prism has the base of a right triangle with 6 dm and 8 dm legs and a hypotenuse of 10 dm. The height of the prism is 40 dm. What is the volume of a prism? - Workers 9
If two workers fix two windows in an hour, how many windows can 18 workers fix in the same two windows? - Rectangle 6946
The triangle has a base of 7 cm and a height of 6 cm. The rectangle has one side of 10.5 cm and the same area as the triangle. What is the length of the other side of the rectangle? - Monica
Monica left Php.900 to Bianca. When Monica asked for it after six months, Bianca decided to give Php.945 instead because she could use the money. What was the interest rate on Monica's money used by Bianca? - Fix + percentages
Mrs. Vargas is a car sales agent who earns Php.5,850 monthly plus a 4% commission on all her sales. In a month, she sold a car worth Php.740,000. Thus, her total earnings are Php. 5,850. - School yearbook Bianca sold Php.18,500 worth of advertisements for the school yearbook. If she is given a commission of 8%, how much did she earn for the advertisements?
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