The average of a non-decreasing sequence of N numbers a1,a2,&hellip;,aN is 300 . If a1 is replaced by 6a1, the new average becomes 400. Then, the number of possible values of a1 is

11 months ago

The average of a non-decreasing sequence of N numbers a1,a2,…,aN is 300 . If a1 is replaced by 6a1, the new average becomes 400. Then, the number of possible values of a1 is

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