https://practice-questions.wizako.com/gre/quant/rates-work-speed/gre-rates-work-time-word-problem-sample-question-1.shtml
Q1 GRE Rates Practice | Time taken to complete the work | Free GRE Sample Questions
GRE quant practice question in Rates, Work and Speed. An easy GRE Work Time problem. How to calculate the time taken by using the work done? Wizako offers...
complete the work
https://darwin-online.org.uk/
The Complete Work of Charles Darwin Online
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