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?

এ সম্পর্কিত আরো প্রশ্ন দেখুন

• A man buys some shirts and some ties. Shirts cost Tk.70 each and the ties cost Tk.30 each. If the man spends exactly Tk.810 and buys the maximum number of shirts possible under these condition, what is the ratio of shirts to ties?
• The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1250. The sum of the numbers is:
• 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?
• 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?
• Coffee A normally costs Tk.100 per lb. It is mixed with coffee B, which normally costs Tk.70 per lb, to from a mixture that costs Tk.88 per lb. If there are 10 lbs of the mix, how many pounds of coffee A is used in the mixture?

Subject

গণিত

Topic

Ratio, Proportion and Partnership

Exam Appear

Related Exams

Related Subjects

Related Topics