সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
20 men can finish a work in 30 days. After how many days should 5 men leave the work so that the work may be finished in 35 days?
20 men can finish a work in 30 days. After how many days should 5 men leave the work so that the work may be finished in 35 days?
- ক. 10
- খ. 12
- গ. 15
- ঘ. 20
সঠিক উত্তরঃ 15
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- If 8 men can do a job in 12 days, what is the percentage increase in the number of days required to do the job when 2 men are released?
- Karim and Babu can build a wooden table in 3 days. Babu can do it alone in 5 days. How many days would it take Karim to do this job alone?
- A man and a boy can finish a job working together for 4 days. The man can work as much as two boys can do. Then in how many days can the man do it alone?
- If 15 men working at the same rate can manufacture 27 baskets in an hour, how many baskets would 45 men manufacture in 40 minutes?
- Mr. Shahin moved 3/4 th of his lawn in 5/4 hours. Mr. Ashique makes twice as fast and finishes the remaining job. How many minutes did Mr. Ashique work?
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