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?

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?
• If there are 300 calories in 100 grams of a certain food, how many calories are there in a 30 gram portion of that food?
• A jar contains white, red and green marbles in the ratio 2 : 3 : 4. Five more green marbles are added to make the ratio 2 : 3 : 5. How many white marbles are there in the jar?
• The ratio of the angles of a triangle is 2 : 3 : 4. What is the largest angle in degrees?
• If a : b = 4 : 7 and b : c = 5 : 6, then a : b : c =?

Subject

গণিত

Topic

Ratio, Proportion and Partnership

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