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A factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines?

A factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines? Correct Answer 1.333

তিনটি মেশিন একত্রে 1 দিনে করে = (13 + 14 + 16) = 912 = 34 অংশ তিনটি মেশিন একত্রে 34 অংশ করে 1 দিনে। " " " 1 (বা সমস্ত) " " 43 = 1.333 দিনে।

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