Question
The Sustainable Development Goals (SDG) performance
index measures the performance of how many countries?Solution
The SDG performance index evaluates the progress of 180 countries towards achieving the Sustainable Development Goals set by the United Nations.
Sita can row 8 km/hr in still water. If it takes her three times as long to row up a river as it does to row down the same distance, find the speed of t...
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Ratio of downstream and upstream speed of a boat is 5:2. If the speed of stream is 3 km/h, find the distance travelled by boat in downstream in 2 hours.
A man rows a boat a certain distance downstream in 9 hours, while it takes 18 hours to row the same distance upstream. How many hours will it take him t...
The speed of the boat in still water is 6 km/hr and the speed of the stream is 3 km/hr. A boat goes 54 km downstream with its usual speed but at the tim...
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