In a factory there are 3 machines to perform a job. 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 together?
Created: 6 years ago |
Updated: 2 years ago
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All three of the machines together can complete (1/3 + 1/4 + 1/6) = 3/4 part of the job in a day.
Those machines can complete 3/4 part of the job in 1 day.
So, the machines can complete the whole job in 1/(3/4) = 4/3 = 1.333 day.
Md Azizur Rahman
Founder of Satt
ঐকিক নিয়ম (Unitary Methods):
একটি জিনিসের দাম, ওজন, পরিমাণ ইত্যাদি বের করে নির্দিষ্ট সংখ্যক এই জাতীয় জিনিসের দাম, ওজন, পরিমাণ ইত্যাদি বের করার নিয়মকে ঐকিক নিয়ম বলে।
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