সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
The 20"-diameter wheels of a car rotates at rate of 24 revolutions per minute, while the 30"-diameter wheels of another car travels at a rate of 18 revolutions per minute. What is the ratio of the speed of the second car to that of the first?
The 20"-diameter wheels of a car rotates at rate of 24 revolutions per minute, while the 30"-diameter wheels of another car travels at a rate of 18 revolutions per minute. What is the ratio of the speed of the second car to that of the first?
- ক. 4 : 3
- খ. 6 : 5
- গ. 9 : 8
- ঘ. 1 : 1
সঠিক উত্তরঃ 9 : 8
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- In what ratio must tea at Tk. 62 per kg be mixed with tea at Tk. 72 per kg so that the mixture must be worth Tk. 64.50 per kg?
- On a shipping trip, Karim spent 1/3 of his money for a jaket and another Tk.5 for a hat. If he still had 1/2 of his money left, how much money did he save originally?
- A certain 90-miles trip took 2 hours. Exactly 1/3 rd of the distance was traveled by rail and this part of the trip took 1/5 th of the travel time. What was the average rate in miles per hour of the rail promotion trip?
- A sum of money is distributed among x, y & z in the proportion 5 : 7 : 10. What is the largest amount of taka not exceeding 1000 which could be distrubuted among them without using a fraction of a taka?
- Quantity A : 1 - 1/27 and Quantity B : 8/9 + 1/81--
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Subject
Topic
Ratio, Proportion and Partnership