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MCQ Problem Solving - Work and Rate Problems

The CAT Online Free Test Prep MCQs Problem Solving - Work and Rate Problems

Problem Solving: Work and Rate Problems

Question:

A can do a job in 16 days, B can do same job in 12 days. With the help of C they did the job in 4 days. C alone can do the same job in how many days ?
Option A:      op a -88933320
Option B:      op b -36291952
Option C:      op c -48177728
Option D:      op d -44084692
  A     B     C     D  
Show/Hide Answer and Explanation

Correct Answer: D


Explanation
In this question we having, A's work, B's work and A+B+C work. We need to calculate C's work. We can do it by, (A+B+C)'s work - (A's work + B's work). Let's solve it now: C's 1 day work = exp -14654896
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How to Solve Work and Rate Problems

For Work and Rate Problems question first understand the statement and the question stem. Try to solve and click the corresponding answer option. The drop down will appear to show the correct answer and explanation.