Grade - math word problems - page 541 of 968

Number of problems found: 19343

Average grade puzzle
The top five mathematicians in the class took on the teacher's help in calculating the paper's average grade. They dictated the following results: Mischa: "I came up with 3.30. " Dasha: "That's weird because it worked out precisely at 3.45. " Jana: "You p
Grandpa MO Z5–I–5 2019
Grandpa has three apple trees in his garden with a total of 39 apples on them. There are apples on only eight branches: one apple tree has two branches, and the other two apple trees have three branches each. Different branches bear different numbers of a
Numbers division
What number should be divided by the mixed number 2 3/4 to get 11/12?
Alcohol
6 l 48% alcohol, how much must we add 52% alcohol to give 50% alcohol?
Absolute reciprocal calculation
What do I get by multiplying the absolute value of -0.7 and the reciprocal number of 10? What do I get by dividing the opposite number by the number -14/8 and the reciprocal number to the number 4?
Cyclist speed observation
The observer sits in a room 2 m from a 50 cm wide window. A road runs parallel at a distance of 500 m. What is the cyclist's average speed on this road when the observer sees him at 15 seconds?
Cost reduction
Fourteen pieces of goods cost just as much as 21 pieces before the discount. The price of one piece after the discount is CZK 1.50 lower than before the price reduction. How much was one piece before the discount?
Tractor motorcycle pursuit
The tractor leaves the field and heads towards an agricultural cooperative 14 km away at an average speed of 20 km/h. Twenty minutes later, an agronomist followed him from the same field on a motorcycle at an average speed of 45 km/h. Will he catch up wit
Cylinder and its circumference
The height of a cylinder is four times its circumference, c. What is the volume of the cylinder in terms of its circumference c?
Acceleration
Describe how the cyclist's acceleration changes on individual sections (sections AB plane, BC turn, CD plane, DA turn), which describes the trajectory in the shape of an eight at a constant speed. The speed on the cyclist's tachometer is constant.
Propeller
The aircraft propeller rotates at an angular speed of 200 rad/s. A) What is the speed at the tip of the propeller if its distance from the axis of rotation is 1.5 m? B) What path does the aircraft travel during one propeller revolution at a speed of 540 k
Buying confectionery
Jana spent 1/2 of her savings on the confectionery, gave 1/3 for her notebook, and had 7 euros left. How many Euros did Janka save?
Reducing balance method
A company buys an item having a useful life of 10 years for 1,000,000. If the company depreciates the item by the reducing balance method, a. find the depreciation for the first year. b. Estimate the depreciation for the second and third years. c. What is
Perimeter of the garden
The length of the garden measures 27 1/4 m. How many meters is this dimension larger than the width of the garden, which measures 15 1/2 m? Calculate the perimeter of the garden.
Number fraction puzzle
If we add 1/7 to the given number, we get 1/2. Specify the number.
Bus catching calculation
Mr. Pozdechodim missed the bus at 10.05. At 10.10, he passed Jindra. The bus travels at an average speed of 60 km/h and Jindra at 80 km/h. Will they catch the bus, which is 20 km from the next stop?
Car meeting calculation
At midnight, a 40 km/h truck will leave České Budějovice for Turnov. At 1.5 hours after midnight, a 70 km/h car drove against him. The distance between České Budějovice and Trutnov is 223 km. At what time and how far from Trutnov will the two cars meet?
Map scale distance
The particular map has a scale of 1:75000 a) The distance between the two places on the map is 42 mm. What is the actual distance? b) How long would the distance show, 15.75 km on the map?
A baker
A baker has 5 1/4 pies in her shop. She cut the pies into pieces that are each 1/8 of a whole pie. How many pieces of pie does she have?
Surface of the cylinder
Calculate the surface of the cylinder for which the shell area is Spl = 20 cm² and the height v = 3.5 cm.

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