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


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Subject

গণিত

Topic

Ratio, Proportion and Partnership

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