Math practice for 13 year olds - page 270 of 425
Number of problems found: 8485
- Sewing
Beth's mother can sew 235 pairs of short pants in 6 days, while Lourdes can sew 187 pairs in 8 days. How many more pairs of short pants can Beth's mother sew? - Cone 15
The radius of the base of a right circular cone is 14 inches, and its height is 18 inches. What is the slant height? - A clock
Mother set a clock right at 6:00 AM. If it gains 3 1/2 minutes per hour, what time will it show at 6:00 PM on the same day? Show your solution. - Supermarket 2
A supermarket had a buko pie sale. In the morning, they sold 2/3 of the pies, and in the afternoon, they sold 1/6 of the pies. If 150 pies were left, how many pies had been sold? Show your solution. - Gasoline tank 2
A gasoline tank is 1/6 full. When the family added 25 liters of gasoline, it became 3/4 full. How many more liters are needed to fill them? Show your solution. - Supermarket
In a local supermarket, 3/5 kilograms of octopus cost 156.00. How much do 4 kilograms of octopus cost? - The larger
The larger two numbers are nine, more than four times the smaller number. The sum of the two numbers is fifty-nine. Find the two numbers. - A pipe
A radius of a cylindrical pipe is 2 ft. If the pipe is 17 ft long, what is its volume? - Solve 2
Solve integer equation: a +b+c =30 a, b, c = can be an odd natural number from this set (1,3,5,7,9,11,13,15) - Shadow
A meter pole perpendicular to the ground throws a shadow of 40 cm long. The house throws a shadow 6 meters long. What is the height of the house? - Tangent 6770
A circle k (S; 2.5 cm) and a point L are given if | SL | = 4cm. Make a tangent to the circle passing through point L. - Animals
All without two animals are dogs, all without two are parrots, all without two are cats, and the others are chickens. How many animals of individual species does Ms. Novak take care of? - Paper box
Calculate how much we'll pay for a three-sided shaped prism box with a triangular base, and if it measures 12cm and 1.6dm, the hypotenuse measures 200mm. The box is 34cm high. We pay 0,13 € per square meter of paper. - Dinning room
How many different combinations can we choose if there are three soups, five kinds of the main dish, and two desserts in the dining room? - Boy-girl 6766
How many boy-girl pairs can we create from a class of 15 boys and 16 girls? - Is right-angled
Can a triangle with the sides of sqrt 3, sqrt 5, and sqrt 8 (√3, √5, and √8) be a right triangle? - Isosceles
Isosceles trapezium ABCD ABC = 12 angle ABC = 40 ° b=6. Calculate the circumference and area. - The small
The small hand of the wall clock is 15 cm long, which is what a long journey the end of the hour hand in 15 minutes will describe. (b - in 2 hours)? - Probability 6761
Jano created 2-digit numbers from the cards 2, 4, 5, 9, and 2. What probability will a randomly generated number be odd? - Circular 6760
What circular track radius must a runner run six times to run 1.8km?
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