JEE Main 2013 Mathematics question
If the median and the range of four numbers {x, y, 2x + y, x − y}, where 0 < y < x < 2y, are 10 and 28 respectively, then the mean of the numbers is :
Answer: (4)
Solution
Since x < 2y, x − y < y, so the order is x − y < y < x < 2x + y. Median ; range
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