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
- A football team had a ratio of win to loss of 3 : 1. After wining 6 games in a row the team's ratio of win to loss became 5 : 1. How many games had the team won before it the six games?
- The ratio between the length and breadth of a field is 7 : 5. The perimeter of the field is 360 meter. What is the area of the field?
- A certain amount is distributed among A, B and C. A gets 3/10 and B gets 1/4 of the whole amount, If C gets Tk. 81, then B gets:
- Jahirul and Jalil agree to form a partnership. The partnership agreement requires that Jahirul invests Tk.7000.00 less than one half of what Jalil invests. If the total investment is Tk.125000.00, how much does Jolil invest?
- Cheese, egg and beef sandwiches were made for a picnic in a ratio of 5 to 7 to 8. If the total of 120 sandwiches were made, how hany egg sandwiches were made?
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Ratio, Proportion and Partnership