Grade - math word problems - page 148 of 950
Number of problems found: 18995
- Bulb voltage current
A current of 275 mA passes through the filament of a light bulb with a resistance of 800 Ω. What voltage is the bulb connected to? - Square plot mesh
How many meters of mesh are needed to fence a square plot whose side measures 20m? - Edo circle hours
Edo signed up for 3 clubs during the holidays. Tennis, archery, and mountain climbing. Each circle lasted 2 hours a day. He lasted 30 days walking on them. How many hours of circles did he complete in total? - Student trip fraction
Of 32 students in the class, 3/4 of the children were on the trip. Write as a fraction what part of the students stayed at home. How many students were on the trip? - Lever force distance
Calculate at what distance from the axis of rotation a force of 60N acts on one side of a double-return lever; if a force of 180N acts on the other side at a distance of 1 meter from the axis of rotation, the lever is in equilibrium. - Karel digit error
Karel had to multiply two two-digit numbers. Out of care, he changed the order of the digits in one of the factors and got a product that was 4,248 less than the correct result. What is the correct result? How much should Karl have earned? - Forest plot ratio
The sides of the rectangular forest plot are in the ratio 11:7. The shorter side of the plot is 175 meters long. Calculate the longer side of the rectangular plot. How many steps would we take if we went around the whole lot? The length of 1 step is 60 cm - Minute hand angle
The minute hand describes an angle of 180 degrees in half an hour. In how many minutes does the minute hand cover an angle of 192 degrees? - Wheel peripheral speed
Calculate the peripheral speed of the number on the Wheel of Fortune if the wheel rotates within a period of 0.25 seconds and the number is written 1.5 m from the center of the wheel. - Permutation element count
From how many elements can we make 5040 permutations without repetition? - Identical cubes
What is the volume of a large cube composed of 27 identical small cubes with an edge length of 3 cm? - Current thermal energy
How long will it take for a current of 8A in a resistance of 30 ohms to develop thermal energy of 3 MJ if the efficiency of converting electrical energy into heat is 90%? - Arithmetic sequence
Determine the sum of the first 12 terms of an AP (arithmetic sequence) if a4 is equal to 7 and a8 is equal to minus 1. - Theater seat rows
The theater has 20 rows of seats on the ground floor. There are 16 seats in the first row, and each subsequent row has two more seats than the previous one. Find the number of seats on the ground floor of the theater. - Boy height together
The boys are 235 cm tall together. Pepa is 25 cm shorter than Petko. How tall are the boys? - Fraction halfway number
Which number is halfway between a quarter of a fifth and a half of a third on the number line? - Number ratio subtraction I think two numbers. Their ratio is 5:7. If 3 is subtracted from the first and 7 from the second, then the ratio is 6:7. What number was I thinking?
- box orders
You must order 100 wooden boxes from the United States of America. Each box costs $2.35 (dollars). How much will the order cost in £ (GB pounds)? The exchange rate is $1 = £0.70 - Triangle sides - natural
In triangle ABC, side a = 30 cm b = 7 cm. The length of the third side in cm is a natural number. What is the least and what is the greatest length that side c can have? - Table paper coverage
The table has the shape of a rectangle with dimensions of 80 × 100 cm. Ten identical sheets of paper measuring 20 x 30 cm lie next to each other on it. Papers do not overlap or extend beyond the surface of the table. What part of the table surface is cove
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