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Maths Puzzle
Numerical Ability
It takes you 6 hours to do a job. It takes a friend 3 hours to do the same job. How long would it take both of you working together to do the job?
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Hi, I have a question about the word problem:
Susan had $108 (in thousands) invested in three different mutual funds in a certain year. She earned a return of 12% on the first f