Geography
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Q. A farmer has a rectangular field of dimensions 50 m by 30 m. If he wants to irrigate it with water from a river, how much water is needed to cover the field to a depth of 0.1 m? (2023)
Q. A location at 30° N latitude experiences a temperature of 25°C. If the same temperature is recorded at 30° S latitude, what can be inferred about the climate? (2019)
Q. A location at 45° North latitude experiences a time difference of how many hours from a location at 45° South latitude when both are at the same longitude? (2019)
Q. A location at 90 degrees West longitude is how many hours behind GMT?
Q. A place is located at 45°N latitude and 90°W longitude. What is the time at this location when it is 3:00 PM GMT? (2019)
Q. A place is located at 45°N latitude. What is the approximate length of one degree of latitude at this location? (2019)
Q. A place is located at 45°N latitude. What is the maximum altitude of the sun at noon during the summer solstice?
Q. A place located at 45°N latitude experiences a time difference of how many hours from a place at 45°S latitude if both are on the same longitude?
Q. A place located at 75°W is how many hours behind GMT?
Q. A river basin has an area of 200 km². If the average rainfall is 1000 mm per year, what is the total volume of water received by the basin in a year?
Q. A river basin has an area of 200 square kilometers. If the average rainfall is 800 mm per year, how much water (in cubic meters) falls on the basin annually? (2019)
Q. A river basin has an area of 2000 km². If the average rainfall is 800 mm per year, what is the total volume of water received by the basin in cubic meters? (2000)
Q. A river basin has an area of 500 km². If the average rainfall is 800 mm per year, how much water falls on the basin in cubic meters? (2022)
Q. A river basin has an area of 500 km². If the average rainfall is 800 mm per year, what is the total volume of water received by the basin in a year? (2019)
Q. A river carries 1500 m³ of water per second. If the river's width is 25 m, what is the average depth of the river?
Q. A river flows at a rate of 5 m/s. If it takes 2 hours to travel a certain distance, what is the distance covered by the river?
Q. A river flows at a speed of 3 m/s. How far will it travel in 2 hours? (2020)
Q. A river flows at a speed of 4 km/h. If a boat can travel at 10 km/h in still water, what is the speed of the boat when going upstream?
Q. A river flows at a speed of 4 km/h. If a boat can travel at 10 km/h in still water, how long will it take the boat to travel 12 km upstream?
Q. A river flows at a speed of 4 km/h. If a boat travels downstream at 12 km/h, what is the speed of the boat relative to the river? (2020)
Q. A river flows through a region with a soil erosion rate of 5 tons per hectare per year. If the area of the watershed is 100 hectares, how much soil is eroded in a year?
Q. A river flows through a region with a soil retention capacity of 20% of its volume. If the river has a volume of 1000 m³, how much water can be retained by the soil? (2023)
Q. A river flows through a valley with a gradient of 1 in 1000. If the river descends 2 meters over a distance of 2000 meters, is the gradient consistent? (2023)
Q. A river flows through a valley with a gradient of 1:1000. If the river descends 2 meters over a distance of 2000 meters, is the gradient consistent? (2022)
Q. A river has a cross-sectional area of 150 m² and flows at a velocity of 4 m/s. What is the discharge of the river? (2021)
Q. A river has a depth of 4 m and a width of 10 m. If the flow velocity is 2 m/s, what is the flow rate?
Q. A river has a length of 100 km and a drainage area of 500 km². What is the average discharge per square kilometer?
Q. A river has a length of 150 km and a width of 50 m. If the average depth is 3 m, what is the approximate volume of water in the river in cubic meters?
Q. A river has a length of 150 km and a width of 50 m. What is the area of the river? (2020)
Q. A river has a length of 200 km and a width of 50 m. What is the area of the river's surface? (2021)
