Mean - practice for 12 year olds - page 3 of 7
Number of problems found: 140
- Previous 43371
The sum of three natural numbers, five greater than the previous one, is 204. Which are the numbers? - Between two mixed
What is the rational number between 2 1/4 and 2 4/5? - Rose spends
Rose spends 2 1/3 hours studying Math, 1 3/4 hours studying English, and 2 1/4 hours studying Science. Find her average time studying the three subjects. - Equivalent fractions 2
Write the equivalent multiplication expression. 2 1/6÷3/4
- Insert AP member
Insert arithmetic means between 75 and 180. - Find the mean
Find the number between 13 and 29. - Distribute 32451
The king cannot decide how to distribute 4 cubes of pure gold, which have edges of length 3cm, 4cm, 5cm, and 6cm, to two sons as fairly as possible. Design a solution so that the cubes do not have to be cut. - Pedestrians 32231
One pedestrian walked the 16km track in 3.12 hours Two pedestrians walked the 18km track in 3.18 hours Which one had a higher average speed on its track? - Consecutive 29761
Determine three consecutive natural numbers, the sum of which is 66.
- Continuously 24061
The Pelikan's account was continuously paid the following amounts: 2,000, 4,500, 6,100, 2,100, 3,000, 1,700, 2,600, 2,000 Find average storage amounts. - Coordinates hexagon
The regular hexagon ABCDEF is given. Point A has coordinates [1; 3], and point D has coordinates [4; 7]. Calculate the sum of the coordinates of the center of its described circle. - Large family
The average age of all family members (children, mother, father, grandmother, grandfather) is 29 years. The average age of parents is 40 years, grandparents 66 years, and all children are five years. How many children are there in this family? - Harvested 21983
There are eight apricot trees in the garden. What was the average yield from one tree if We harvested 130 kg; 215 kg; 198 kg; 284 kg; 97 kg; 90 kg; 160 kg; 252 kg of apricots - Troops
There are two leaders in the tourist group, with an average age of 30 years, and several children with an average age of 10 years. The total age of the group is 12 years. How many children are in the group?
- Average 20173
The average of the two numbers is 2.8. One number is 5. What is the second number? - Basketball team
The heights of five starters on redwood high's basketball team are 5'11", 6'3", 6'6", 6'2" and 6'. The average height of these players is? - Birdhouse 12941
Michal would make a birdhouse in three hours, and Richard would make it in two hours. If they work together, how many hours will it take them to complete it? How much percent more time compared to the time of working together would Michal make the booth b - Trees avg
The worker planted 96 trees on Monday, 120 on Tuesday, and 61 on Wednesday. How many trees did he plant on Thursday if he averaged 105 trees per day? - In center
What number lies in the center between a quarter of a fifth and a half of a third on the number axis?
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