An ore contains 26% of copper . To get 91 kgs of copper the quantity of are required is -

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A cricket team won 3 matches more than they lost. If a win gives them 2 points and loss(-1) point, how many matches, in all, have they played if their score is 23?

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If 35% of a number is 175, then what percent of 175 is the number?

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A person takes a loan of Tk. 200 at 5% simple interest. He returns Tk.100 at the end of 1 year. In order to clear his dues at the end of 2 years, he would pay :

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On a trip of 200 miles, a man travels at the rate of 40 miles per hour for the first 100 miles. For the rest of the trip, he travels at the rate of 55 miles per hour . What is his average speed, in miles per hour, for the total trip ?

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The difference between the local value and the face value of 7 in the numeral 32675149 is ---

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