Subject
Quantitative Aptitude
Topic
Time and Work
8 men can complete a piece of work in 20 days.8 women can complete the same work in 32 days.In how many days will 5 men and 8 women together complete the same work?
8 men can complete a piece of work in 20 days.8 women can complete the same work in 32 days.In how many days will 5 men and 8 women together complete the same work?
ক)
10খ)
12গ)
14ঘ)
16Explanation
(প্রশ্ন- ৮ জন পুরুষ একটি কাজ করতে পারে ২০ দিনে। ৮ জন মহিলা একই কাজ ৩২ দিনে করতে পারে।তাহলে ৫ জন পুরুষ এবং ৮ জন মহিলা কাজটি কত দিনে করতে পারে?) ৮ জন পুরুষ ২০ দিনে করে ১ অংশ ১ জন পুরুষ ১ দিনে করে ১/(৮×২০)=১/১৬০ অংশ ৮ জন মহিলা ৩২ দিনে করে ১ অংশ ১ জন মহিলা ১ দিনে করে ১/(৮×৩২)=১/২৫৬ অংশ (৫ জন পুরুষ+৮ জন মহিলার) ১ দিনের সম্পন্ন কাজ =(৫/১৬০)+(৮/২৫৬) =(১/৩২)+(১/৩২) =১/১৬ অংশ সুতরাং ৫ জন পুরুষ এবং ৮ জন মহিলা কাজটি একত্রে ১৬ দিনে করে।Related questions
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