Maths practice for 12-year-olds - page 68 of 362
Number of problems found: 7223
- Follows 80693
A train travels at a speed of 50 km/h from city A. In 15 minutes, a second train follows him at 20 m/s. We are sitting on the first train. When will the second train catch up with the first? - Average 80654
On average, 100 liters of milk make 16 liters of cream, and 100 liters of cream make 20 liters of butter. How many liters of milk do we need for 100 liters of butter? - Classroom 80652
The classroom is 11 m long, 6.5 m wide, and 4 m high. I will pay 14.50 for 1 m² of painting. How much will it cost to paint the classroom? - 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?
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