সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Nazir can wash his car 15 minures while his son takes twice as long. If they work together how many minutes will the job take them?
Nazir can wash his car 15 minures while his son takes twice as long. If they work together how many minutes will the job take them?
- ক. 5
- খ. 12
- গ. 10
- ঘ. 20
সঠিক উত্তরঃ 10
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- Six men can complete a work in 5 days if they work for 8 hours per day. How many days will 4 men take to do the same work if they work only 5 hours per day?
- 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?
- If a woman is paid Tk.m per hour every hour she works up to 8 hours and is paid double for every hour she workes after 8 hours, how much Tk will she be paid for working 13 hours?
- Worker W produces n units in 5 hours, workers W & V working independently but at same time produces n units in 2 hours. How long would it take V alone to produce n units?
- Some persons can do a pice of work in 12 days. Two times the number of such persons will do half of that work in:
There are no comments yet.