Maths practice for 11-year-olds. - page 166 of 222
Number of problems found: 4421
- Guess a fraction
Tom was asked to guess a fraction. The sum of 1/2 of the numerator and 1/3 of its denominator is 30. If Tom subtracts 36 from its denominator, the fraction becomes 1/3. What is the fraction that Tom was asked to guess? (Leave your answer in the simplest f - April (month)
April has 30 days. Roman saves his money in the box for the whole month. Every third day, you save 10 cents. How many cents did Roman save during the entire month he started saving on April 1? - Pills
If it takes 20 minutes to run a batch of 100 pills, how many minutes would it take to run a batch of 50 pills? - Cakes 4
Mother wants to bake three cakes. For the preparation of the first cake she needs 40 minutes and its baking in the oven lasts 25 minutes. The second cake she prepares in 20 minutes and it bakes for 35 minutes. The third cake she prepares in 50 minutes and - Display case
Place a glass shelf at the height of 1 m from the bottom of the display case in the cabinet. How long platter will we place at this height? The display case is a rectangular triangle with 2 m and 2.5 m legs. - Thales
Thales stands 1 m from the edge of the hole. The eyes are 150 cm above the ground and look into the hole with a diameter of 120 cm, as shown. Calculate the depth of the hole. - Boys at camp
At the camp, half of the boys went on a trip one day, a third went swimming, and 17 boys had various services. How many boys were there in total at the camp? How many boys were on the trip, and how many were swimming? - Black passengers
Five inspectors will catch an average of 70 black passengers in 6 days. How many black passengers are caught by nine inspectors in 10 days? - Crown coins Jane saves two-crown and five-crown coins. She has 32 coins in the cashier. How many two crowns and how many five crowns would she have if she saved 145 crowns?
- Basement 3
A new family house under construction is to have a basement. The floor, walls, and ceiling of the basement are to be covered with an asphalt insulating layer. The ground plan of the family house has dimensions of 10 m and 12 m. The height of the basement, - Triangle construction
Try to construct the MNP triangle. p = 6 cm, n = 5 cm, Vp = 4 cm Answer the measured side length m - Product of two fractions
The product of two fractions is 9 3/5. Suppose one of the fractions is 9 3/7. Find the other fraction. - Milk bill
If Mrs. Tara buys 2 liters of milk daily, and 1 liter costs $0.27, what will be her milk bill for 30 days? - Rhombus EFGH
Construct the rhombus EFGH where e = 6.7 cm, height to side h: vh = 5 cm - Princess
Princess has lost 321 beads, and Prince George is trying to find them. On the first day, he found all but 83 beads. On the second day, he found 68 beads. He found the rest on the third day, but the Princess lost 76. How many beads did Princess have after - Eq1
Solve equation: 4(a-3)=3(2a-5) - Pie II
Vili ate three pieces of pie. If the piece is 1/8, how much pie did he eat? - Fewer than 500 sheep,
There are fewer than 500 sheep, but if they stand in a double, triple, quadruple, five, and sixth-order, one sheep will remain. But they can stand in the seventh order. How many sheep? - Paint needed
The janitor is to paint the computer room walls, which are 7 m long, 5 m wide and 3 m high. The classroom has four square windows with a length of 1 m and a door 1 m wide and 2 m high. At least how many kilograms of paint should he buy if 1 kg of paint pa - Plan length
The part is 230 meters long. What will its image length be on the plan at a scale of 1:2500?
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