QUESTION 13 Four friends P, Q, R, and S are assigned to complete a project.
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QUESTION 13
Four friends P, Q, R, and S are assigned to complete a project. P, R, and S together can complete the project in 6 days, while P and R can complete the project in 10 days. Q is 10% more efficient than S and the ratio of the efficiencies of P and R is 2:3. If Q and R individually take x and y days, respectively, to complete the work, then find x + y.
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Answer: A. A) 26.4 days
Rigorous quantitative and aptitude evaluation.
Step-by-step Derivation:
Step 1: Formulate algebraic equations.
Step 2: Solve step-by-step.
Step 3: Match with correct option.