Question
Which soils are known as self-tilled
soilsSolution
Black soils have self-swelling and shrinking property that is why they are known as self-tilled soils.
Boat ‘A’ can cover 100 km in still water in 10 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 2:3 and the sp...
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A boat covers 315 km upstream in 7 hours and 525 km downstream in 7 hours. Find the time taken by the boat to cover 420 km in still water.
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The ratio of the speed of boats ‘A’ and ‘B’ in still water is 8:9, respectively. The speed of the current is 25% of the speed of boat ‘A’ in...
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