Mary can do a piece of work in 20 days Malaysia is 25% more efficient than her. the number of days taken by Malaysia to do the same piece of work is ?​

16 days

Explanation:

Given

Mary can do a piece of work in 20 days

Malaysia is 25% more efficient than her. So, she must requires less number of days compared to Mary

No of days Malaysia required

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many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: