Physical quantities - math word problems - page 255 of 296
Number of problems found: 5915
- Nine balls
Imagine you have nine identical-looking balls, one of which is heavier than the others. You have a balance scale. Describe a procedure to find the heavier ball. What is the minimum number of weighings required? - Closest point
On the line p: 2x + y + 1 = 0, find the point A ∈ p that is closest to the point P =(1,0) - Dirty fuel - coal
Coal for 15 families lasts 60 days. How many days will the coal last for 20 families? - Worker job hours
Five workers do a job in 20 hours. How long will it take two workers to do the same job? - Three
Three pavers will pave the sidewalk in 4 days. How long does it take for two tiles to pave the same sidewalk? - Walking Earth explanation
What allows a person to walk the Earth: a) atmosphere b) Earth response c) feet d) rolling friction - Three Inlets Fill Time
The pool is filled with three identical tributaries in 12 hours. In how many hours will only two tributaries fill it? - Cable Digging People Days
In 12 days, ten people will dig a 3 km cable car. In how many days will five people dig it up? - Hay bags
Four cows eat 16 bags of hay in 5 days. How many bags will 5 cows eat in 7 days? - Sugar content
Diabetes contains 13% sugar. From what amount of diabetes do we get 15q of sugar? How much sugar do we get from 15q of diabetes? - Rabbit hay
Twenty rabbits have hay for 60 days. For how many days will five rabbits have them? - Train distance
A train will leave Bratislava for Trnava. Five minutes later, the train leaves Trnava for Bratislava at twice the speed. Which train will be closer to Trnava when they meet? - Christmas Day
In leap years, it was 53 Sundays. On what day of the week fell Christmas Day? - Simple interest 3
Find the simple interest if 11928 USD at 2% for 10 weeks. - Efficiency
A certain device consumes 50 kW and delivers 17 kW. Find its efficiency. - Class weight average
There were 31 students in the class, and the arithmetic average weight was 43 kg. Calculate the average weight in the class if a student weighing 91 kg has been added to the class. - If we want
A children's pool has the shape of a cylinder with a base diameter of 4 m and a depth of 50 cm. a) Calculate the volume of water in litres that the pool can hold when filled to the brim. b) If we fill the pool to only 75% of its capacity, how many litres - Rectangular trapezoid ZIMA
I have a rectangular trapezoid ZIMA (the right angle at the top of Z. ZIMA = winter in English) ZI-7 cm, ZM-5 cm, AM-3.5 cm, and we have to write the procedure to construct this trapezoid. - Quadrilaterals II
In the ABCDEFGHIJKL, the two adjacent sides are perpendicular to each other, and all sides except the AL and GF sides are identical. The AL and GF sides are twice as long as the other sides. The lines BG and EL intersect at point M and divide the dodecago - Company car
Ms. Vankova has a company car equipped with a multifunction indicator to monitor the average petrol consumption during individual rides. During the first ride, mostly in city traffic, it traveled 20.5 km, with an average consumption of 7.8 L/100 km. In th
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