The average of five numbers is 25. After one if the numbers is removed, the average of the remaining is 31. What number has been removed?

Created: 2 months ago | Updated: 2 weeks ago
Job Solution Mercantile Bank Ltd Mercantile Bank Ltd - Management Trainee Officer - 05.07.2013 গণিত
510
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A man has 72 green marbles and 108 red marbles. He decides to pack them into packets of the same size, each containing either all red or all green marbles. What is the greatest number of marbles he can put in each packet?

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A boat sails m miles upstream at the rate of r miles per hour. If the rate of the stream is s miles per hour, how long will it take the boat to return to its starting point?

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Job Solution Mercantile Bank Ltd Mercantile Bank Ltd - Management Trainee Officer - 05.07.2013 গণিত
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An amount of money was distributed among some people in such a way that it there had been 4 more people, everyone would have got Tk. 16 less. But if there had been 4 less people everyone would have got Tk. 24 more. How many people were there in the group?

Created: 2 months ago | Updated: 2 weeks ago
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