Grade - math word problems - page 669 of 953

Number of problems found: 19049

Embassy Reception Languages Spoken
At the embassy reception, everyone knows at least one foreign language: 15 people speak English 12 people speak German 7 both How many people does this society consist of if no one speaks another language?
Annual rainfall
The average annual rainfall is 686 mm. How many liters will fall on the 1-hectare field?
Expression sum calculation
The expressions A = 8x + 17, B = -12x-12, C = 9x-10 are given. Two-fifths of the sum of expressions A, B, and C are equal ...
Age Twice Sister Ago
I was twice as old as my sister four years ago. How old am I today?
Bread to kilos
They brought in d two kilos and t three kilos of bread to the store. By the end of the day, they sold 14 two-kg bread. How many kilos of bread remained in the store by the next day?
Age puzzle
Petko and Lenka are two years older than Jana. Jana is eight years old. Petko is two years older than Lenka. How old is Lenka? How old is Petko?
Mushroom sharing
The siblings went to the mushrooms. Jana found 38 mushrooms, more than Pavel. Paul asked her to give him enough mushrooms to have the same on the way home. How many mushrooms should Jana give him?
Music Recording Duration
Fifty-six seconds have already elapsed from the music recording, which was 14% of the total duration of the recording. How long the recording will still last.
Fraction missing number
What number should be added instead of the question mark 25/45 =? / 24. And how do we find out?
Florist Bouquet Revenue
The florist prepared 80 identical bouquets and was to receive CZK 7,200 for them. How many crowns did 1 bouquet cost? In the evening, she had 5 bouquets left. She sold them at a discount of ten crowns. By how much crowns was the total revenue lower if she
R1+R2 in parallel
The resistance ratio of the first and second resistors is 3:1, and the current flowing through the first resistor is 300 mA. What current flows through the second resistor (resistors connected in parallel)?
Voltage Ratio in Series
If the resistance of the first resistor is 200 ohms and the resistance of the second resistor is 600 ohms. What will be the ratio of the electrical voltage across the first resistor to the electrical voltage across the second resistor (both are connected
Resistors Series Voltage Ratio
If the resistance of the first resistor is 100 ohms and the voltage ratio on the first and second resistors is 2:1. What will be the resistance of the second resistor connected in series?
Sum of squares
The sum of squares above the sides of the rectangular triangle is 900 cm². Calculate the area of the square over the triangle's hypotenuse.
Table
Find the table's circumference; the long side is 1.28 meters, and the short side is 86 cm.
Fractions
Three-quarters of an unknown number is 4/5. What is 5/6 of this unknown number?
Chasing a Bike Thief
The thief stole Peter's bike and rode it down the road at 25 km/h. Peter's older brother saw it in half a minute and caught up with the thief in 5 minutes on the second lap. How fast must Peter's brother have been driving?
Individual
On the hill behind Terchová, there is a sheepfold and a shepherd lives in it. He divided two hundred of his sheep into 4 groups in a mysterious way: If he had 4 more sheep in the first group, 4 fewer in the second, 4 times more in the third, and 4 times l
Company Turnover Distribution
One-half of the turnover is used for wages and one-third for production and distribution. After postponing CZK 100,000 for marketing, CZK 230,000 will remain. How high is the total turnover?
Filling Tank Together
The tank will be filled with the first inlet in 5 hours and the second in 12 hours. How long would it take to fill the tank together?

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