Question
A contractor assigns 60% of his workers to a project.
However, due to budget cuts, he reduces the workforce by 25%. If the initial workforce was 160 workers, what fraction of the workers are now working on the project?Solution
Original workforce = 160 Working (only 60%) = 60% of 160 = 96 Further it was reduced by 25% Currently working = 75% of 96 = 72 Required answer = 72/160 = 9/20
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  let data = [1, 2, 3];
  function modifyArray(arr) {
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   ...
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