Geography
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Q. A river has a width of 300 meters and a depth of 5 meters. What is the volume of water flowing through the river in one second if the flow speed is 2 m/s? (2020)
Q. A river has a width of 300 meters. If a boat crosses the river at a speed of 15 m/s, how long will it take to cross the river? (2020)
Q. A river is 150 km long and has an average width of 50 meters. What is the approximate area of the river?
Q. A river is 300 m wide. If a person swims across the river at a speed of 2 m/s and the river flows at 1 m/s, how long will it take to cross the river? (2020)
Q. A river is flowing at a rate of 1000 liters per second. How many cubic meters of water does it flow in one hour?
Q. A river meanders and has a total length of 150 km. If the straight-line distance from the source to the mouth is 100 km, what is the river's meandering ratio? (2023)
Q. A river's current is 5 km/h. If a boat travels downstream at 15 km/h, what is the effective speed of the boat relative to the riverbank?
Q. A river's depth increases by 2 meters due to rainfall. If the river's width is 50 meters, what is the increase in volume per kilometer of the river? (2020)
Q. A river's flow is measured at 50 m³/s. If the river narrows, causing the flow to increase to 75 m³/s, what is the percentage increase in flow?
Q. A river's flow rate is measured at 1500 liters per second. How many cubic meters of water does it flow in an hour? (2021)
Q. A river's flow rate is measured at 200 cubic meters per second. How much water flows through the river in one hour? (2020)
Q. A river's sediment load is measured at 200 kg per cubic meter of water. If the river has a flow of 100 m³/s, what is the sediment load per second? (2023)
Q. A river's sediment load is measured at 300 kg per cubic meter of water. If 1000 m³ of water flows, how much sediment is carried? (2019)
Q. A river's velocity is measured at 2 m/s. If the river's width is 10 m and depth is 3 m, what is the discharge?
Q. A river's width is 15 m and its average depth is 2 m. What is the cross-sectional area of the river?
Q. A river's width is 50 meters and its average depth is 3 meters. What is the cross-sectional area of the river? (2022)
Q. A soil sample contains 40% sand, 30% silt, and 30% clay. What is the percentage of silt in the soil?
Q. A soil sample contains 40% sand, 30% silt, and 30% clay. What is the percentage of clay in the sample? (2022)
Q. A soil sample contains 40% sand, 30% silt, and 30% clay. What is the percentage of silt in the sample? (2023)
Q. A soil sample has a moisture content of 20%. If the dry weight of the soil is 80 kg, what is the weight of the water in the sample?
Q. A weather station reports a wind speed of 15 m/s. What is this speed in km/h? (2019)
Q. At which latitude does the sun appear directly overhead at noon during the equinox? (2021)
Q. At which latitude does the sun appear directly overhead at noon during the summer solstice? (2021)
Q. At which latitude does the sun not set during the summer solstice?
Q. At which latitude would you expect to find the longest day during the summer solstice? (2021)
Q. At which longitude would it be 3:00 PM if it is 12:00 noon at 0° longitude?
Q. At which longitude would it be 3:00 PM if it is 12:00 PM at 0° longitude? (2021)
Q. At which longitude would the local time be 3 hours ahead of GMT?
Q. At which longitude would the local time be 6 hours ahead of GMT?
Q. At which longitude would the local time be 6 hours ahead of UTC?
