কাফি ও খলিল একটি কাজ যথাক্রমে ১০ দিনে ও ১৫ দিনে করতে পা??ে। তারা একত্রে কাজটি কত দিনে করতে পারবে?
A. ৪
B. ৫
C. ৬
D. ৭
শিক্ষক নিবন্ধন ও প্রত্যয়ন পরীক্ষামানসিক দক্ষতা(IQ)গাণিতিক সমস্যাIQ-4 (Topic Practice)শিক্ষক নিবন্ধন ও প্রত্যয়ন পরীক্ষা - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
C.
৬
Explanation:
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