সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
A and B together can paint a wall in 3 days. A can do it alone in 5 days. How many days would it take B to do this job alone?
A and B together can paint a wall in 3 days. A can do it alone in 5 days. How many days would it take B to do this job alone?
- ক. 0.5
- খ. 7.5
- গ. 5.0
- ঘ. 6.4
সঠিক উত্তরঃ 7.5
এ সম্পর্কিত আরো প্রশ্ন দেখুন
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- A, B and C can complete a pice of work in 24, 6 and 12 days respectively. Working together, they will be complete the same work in:
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