Subject
Quantitative Aptitude
Topic
Time and Work
X,Y and Z complete a work in 6 days.X or Y alone can do the same work in 16 days.In how many days z alone can finish the same work?
X,Y and Z complete a work in 6 days.X or Y alone can do the same work in 16 days.In how many days z alone can finish the same work?
ক)
12খ)
16গ)
24ঘ)
36Explanation
(প্রশ্ন-X,Y এবং Z একটি কাজ করতে পারে ৬ দিনে। X অথবা Y কাজটি একা করতে পারে ১৬ দিনে।তাহলে Z একা কত দিনে কাজটি করতে পারে?) (X+Y+Z) একত্রে ১ দিনে সম্পন্ন করে কাজটির =১/৬ অংশ (x+y) একত্রে ১ দিনে সম্পন্ন করে কাজটি =(১/৬)+(১/১৬) =২/১৬ =১/৮ অংশ Z একা ১ দিনে সম্পন্ন করে কাজটির =(১/৬) - (১/৮) =১/২৪ অংশ Z একা ১/২৪ অংশ কাজ করে =১ দিনে Z একাই সম্পূর্ণ করে =২৪ দিনেRelated questions
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