A factory with 3 machines has a job of st… | Answer

Subject

Bank Exam

Topic

Mutual Trust Bank Ltd. - Probationary Officer - 2016

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 ?
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ক)

1.333

খ)

4.333

গ)

ঘ)

Explanation

Solution: অনুবাদঃ 3 টি মেশিনের মধ্যে একটি মেশিন 3 দিনে, দ্বিতীয়টি 4 দিনে এবং তৃতীয়টি 6 দিনে একটি কাজ করে । মেশিন 3 টি একত্রে কাজ করলে কাজটি কয়দিনে শেষ হবে ? তিনটি মেশিন 1 দিনে কাজ করে =

(\frac{1}{3} + \frac{1}{4} + \frac{1}{6}) = \frac{{4 + 3 + 2}}{{12}} = \frac{9}{{12}} = \frac{3}{4}

অংশ তিনটি মেশিন একত্রে

\frac{3}{4}

অংশ কাজ করে = 1 দিনে তিনটি মেশিন একত্রে 1 বা সম্পূর্ণ অংশ কাজ করে =

\frac{3}{4}

= 1.333 দিনে

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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 ?Reading

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 ?

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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 ?
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