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
- A and B can do a work in 12 days. B and C can do it is 15 days and A and C can do it in 20 days. If all of them work together, in how many days they can finish the work?
- If 6 workers can complete 9 identical job in 3 days, how long (in days) will it take 4 workers to complete 10 such jobs?
- Ram can do a job in 20 days while Sham can do the same job in 25 days. After working for 10 days together, Sham left and Ram finished the job. How many days did Ram take to finish the job?
- If a worker can packs 1/6 of a carton of canned food in 15 minutes and there are 40 workers in a factory, how many cartons should be packed in the factory in 5/3 hours?
- Mr. X can finish a work in 6 days and Mr. Y can finish the same work in 8 days. How long will it take to finish the work together?
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