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In a classroom, there are 24 male students and 16 female students. The male students have an average age of 16 years, while the female students average ...
The cost of packaging of the oranges is 15% the cost of fresh oranges themselves. The cost of oranges increased by 35% but the cost of packaging decreas...
Average run scored by a batsman in 20 innings is 88. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
The average rainfall in a city for the first 7 days of a month is 12 mm per day. To have an average of 20 mm per day over 14 days, what should be the av...
The average weight of x persons is 33 kg. The average weight of (x−16) women is 45 kg, the average weight of (x−30) children ...
If average of first 12 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 22 numbers is ‘n’....