Maths practice for 12-year-olds - page 68 of 362
Number of problems found: 7228
- Unknown 80642
If we add 6000 to half of the unknown number, we get 9000. What is the unknown number? - Quotient 80640
The quotient of two numbers is 22. The divisor is 154. What is the divisor? - Grandchildren 80639
The average age of the grandfather, grandmother, and their five grandchildren is 26 years. The average age of the grandchildren themselves is 7 years. Grandma is a year younger than grandpa. How old is grandma? - Calculate 80625
Half a kg of coffee costs CZK 124. Calculate how many crowns you will pay for 3/4 kg of this coffee. - Mansour Mansour has 1/2 kilo of mangoes to divide equally into 8 different bags. What fraction of a kilo will be in each bag?
- Hardware store
At the hardware store, 1/4 of the nails are size 2d, and 3/8 of the nails are size 4d. What fraction of the nails are either size 2d or 4d? - Sum of 25
The Sum of two rational numbers is -2/3. If one of the numbers is 4/5, find the other.
- Sss triangle 2
Construct triangle ABC in which |AB|=5cm, |AC|=6cm and |BC|=9cm - Seamstress 80601
A seamstress needs 3/5 meters of ribbon to sew the veil. How much can she sew like this if she bought 24 meters of ribbon? - A three-pack A three-pack of bar soap has a wholesale cost of $1.15. A pharmacy wants to sell this product with a markup of 60%. What are the amounts of the markup and the retail price of a pack of soap? A. markup: $0.69; retail price: $1.84 B. markup: $0.69; retail p
- A fruit
A fruit grower uses 1/3 of his land for bananas, 3/8 for pineapples, 1/6 for mangoes, and the remainder for oranges. What fraction of his land is used for oranges? - If four
If four friends evenly split 6 1/2 pounds of candy, how many pounds of candy does each friend get? - The quotient 4 The quotient of two numbers is 15/16. If the dividend is 3/8, what is the divisor? A. 6/5 B. 4/5 C. 2/5 D. 1/5
- Missing number 2 When 10 is added to the product of 8 and a certain number, the result will be 50. What is the value of a missing number?
- The rice
There are 4 kilograms of rice. Each boy scout can consume 1/5 kilogram of rice per meal. How many boy scouts can consume the rice?
- Two kids
Two kids are sharing 3/5 of a pizza. What fraction of a whole pizza will each kid get? - Sarah 3
Sarah ran 4 7/8 miles, then walked 1 11/12 miles. Could you find the total distance she traveled? - Square room 2
A square room has a floor area of 144 square feet. The height of the room is 6 feet. What is the area of one wall? - Mathematics 80583 Can it be 1%>2%? Can't it be nonsense and a denial of the law of mathematics, yet 119 out of 120 people say so?
- Received 80578
A poultry company received a thousand chickens with an average weight of 1.7 kg at CZK 50/kg. During the day, the company sold 300 chickens for 24 thousand. CZK. What was the average weight of unsold chickens?
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