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.
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A alone can finish a piece of work in 10 days and B alone can finish it in 15 days. They work together for 3 days and the remaining work is finished by ...
A can do a work in 15 days and B in 10 days. They work together for 3 days. What fraction of the work is left?
A and B can complete a piece of work in 12 days and 15 days respectively. They start working together, but after 4 days, A leaves. In how many more days...
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