Three boys have marbles in the ratio of 19 : 5 : 3. If the boy with the least number has 9 marbles, how many marbles does the boy with the highest number have?

এ সম্পর্কিত আরো প্রশ্ন দেখুন

• 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?
• Two blends of tea costing $2.80 and $3.20 per kg respectively, are mixed in the proportion 2 : 3. The mixture is sold at $4.80 per kg. What was the percentage of profit?
• If x : y = 2 : 3, and m : n = 9 : 4, find the ratio xn : ym.
• The ratio of the number of boys to the number boys to the number of girls in a certain school club is 3 : 4. If there are 5 more girls than boys in the club, how many girls are in the club?
• In making a ratio set the costs of labor and material are in the ratio 3 : 2. A manufacturer sells a set of Tk.150 to make a gain of 25% on the cost. What is the cost of the meterial for the set?

Subject

গণিত

Topic

Ratio, Proportion and Partnership

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