Maths practice for 11-year-olds. - page 33 of 224

Number of problems found: 4467

Subtract 80730
I think a number. If I multiply it by three and then subtract 120, I get the number 900. What is that number?
Remaining 80727
In the hotel, half of the people live on the first floor, a third on the second floor, and the remaining 40 guests live in the attic. What is the capacity of the hotel if it is 3/4 occupied?
Permitted 80726
The highway section is 25 km long, and the maximum permitted speed is 110 km/h. The driver covered this section in 12 minutes. Did he exceed the speed limit?
Construct 80719
Construct a rectangle ABCD if a = 8cm and the length of the diagonal AC is 13cm. Measure the length of the sides of the rectangle.
Distance 80716
What distance did the crane hook travel in 1 min at a constant speed of 15 cm/s?
Traveled 80715
A mass point traveled a distance of 600 m in 2 minutes in uniform motion. How fast was it moving?
Rectangle 80701
One side of the rectangle has length a=9/5 cm, and the length of side b is 7/10 cm greater than the length of side a. Calculate the perimeter and area of the rectangle.
Children 80653
The children in the camp slept in a cottage with 17 2-bed and 25 3-bed rooms. Other children slept in 8 cabins. Each had 1 4-bed and 1 3-bed room. All rooms and beds were occupied. How many children were in the camp?
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 80643
If we add 17 to twice the unknown number, we get 67. What is the unknown number?
Unknown 80642
If we add 6000 to half of the unknown number, we get 9000. What is the unknown number?
Numerator 80641
What is the second numerator if the sum of the two numbers is 17,500 and the first numerator is 7,900?
Quotient 80640
The quotient of two numbers is 22. The divisor is 154. What is the divisor?
Unknown subtracted
When a number is subtracted by 3.75, the difference is 6.25. What is the number?
Sss triangle 2
Construct triangle ABC in which |AB|=5cm, |AC|=6cm and |BC|=9cm
Exist triangle
Which of the following set of numbers could not represent the three sides of a triangle A. 13,22,34 B. 8,20,30 C. 10,14,23 D. 15,25,37
Straight 80603
How many hours does it take for the minute hand to travel a straight line and a right angle?
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
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?

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