A, B and C can complete a piece of work in 14, 6 and 12 days respectively, Working together, they will complete the work in-

A 199 days
B 928 days
C 289 days
D 258 days

Correct Answer: 289 days

A একটি কাজ করে ১৪ দিনে, Bএকটি কাজ করে ৬ দিনে এবং Cএকটি কাজ করে ১২ দিনে।সুতরাং A ১দিনে কাজ করে   ১/১৪  অংশB ১দিনে কাজ করে ১/৬  অংশC ১দিনে কাজ করে ১/১২  অংশ১ দিনে মোট কাজ করে(১/৪+১/৬+১/১২)=৫৪/১৬৮ অথবা ৯/২৮ অংশ।তারা ৯/২৮ অংশ করে ১ দিনে।তারা ১ অংশ করে=২৮/৯ দিনে(উত্তর)
Bissoy MCQ
#গণিত #Combined Bank (সমন্বিত ব্যাংক) #সমন্বিত ৫ ব্যাংক | অফিসার (ক্যাশ) | 11-03-2022

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