Themes, topics - math word problems - page 44 of 168

Number of problems found: 3360

Fu Da
Fu Da spent a whole day traveling. 5/8 of the journey was spent by airplane, and 1/4 of the remainder was by train. He spent 6 3/4 hours on the bus journey. a) How long did Fu Da spend on the train journey? b) How much longer did Fu Da spend on the airpla
Pump power
Determine the pump power if: I pour 3 m³ of water from the tank in 120 seconds with a hose. The height of the hose mouth above the tank is 1.5 m. The water's speed from the hose outlet is 20 m/s.
Fraction and ratios
Fraction and ratios are different names for the same thing.
Aircraft engine work
The aircraft weighs 61 tons. It climbed from a height of 1000 m to a height of 3000 m while increasing the speed from 170 m/s to 210 m/s. What work did the aircraft engines do?
Power value
Describe how the instantaneous power value in the AC circuit changes during one period.
Non-equivalence
Write the function logical disagreement – entire sum (non-equivalence) F = A ⊕ B (EXL –OR) in a different notation and draw a Karnaugh map. Use NAND elements to implement the above function if you only have variables A and B
The tempture
The temperature increased 13°F between 6 AM and 3 PM. The temperature at 3 PM was 70°F. What was the temperature at 6 AM?
A train
A train can travel 1136 miles in 4 hours. What is the unit rate at which this train travels per hour? Write in miles per hour.
Car opposite speeds
From cities A and B, which are 50 km apart, two cars set off in the same direction simultaneously with average speeds of 80 km/h and 120 km/h. How long will the faster car reach, the slower one, and at what distance from city A?
Tractor hectare plowing
Tractor drivers plow "h" hectares of land per day. How many hectares of land would they have to plow per day to plow the 585 ha area three days earlier than planned? For which "h" does this problem have a positive solution?
Temperature - change
The thermometer showed -2 °C in the morning. By lunch, the temperature had risen by 5°C. The temperature had dropped by 13°C till midnight. What temperature in °C did the thermometer show at midnight?
Fertilizer water proportion
0.6 l of fertilizer goes to 40 l of water. How much fertilizer should be put in per 10 liters of water?
Which 9
Which of the temperatures is the coldest? A.100 degrees Celsius, B.373 degree Kelvin, C. 32 degrees Fahrenheit.
Number divisibility probability
What is the probability that any two-digit number a) is divisible by five b) is it not divisible by five?
Target zone probability
The target is divided into three zones. The probability of a shooter hitting the first band is 0.18, the second band 0.2, and the third band 0.44. What is the probability that a) hits the target, b) miss the target?
Simplify logarithm expr
Given that logxU + logxV =p and logxU - logxV =q Prove that U=x^½(p+q)
A fan
A fan with a resistance of 20 Ω is connected to a power supply. The current flowing through the circuit is 2.5 A. What is the voltage of the power supply?
A scale
A map scale states that every ¼ of an inch represents 20 miles. If two cities are 3½ inches apart, how many miles are actually between the two cities?
The noon-time
The noon-time temperature was 29°F. It was 4°F lower than predicted. Write and solve an equation to determine the predicted noon-time temperature.
Lindo
Lindo walked 1 265m on the first day. She was a bit tired on the second day and walked 650m. How far did she walk in two days?

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