Mindyard | The average of a non-decreasing sequence of N numbers a 1 , a 2 , ... , a N is 300 . If a 1 is replaced by 6 a 1 ; the new average becomes 400 . Then, the number of possibie values of a 1 is

The average of a non-decreasing sequence of N numbers $a_{1}, a_{2}, ..., a_{N}$ is 300 . If $a_{1}$ is replaced by $6 a_{1}$ ; the new average becomes 400 . Then, the number of possibie values of $a_{1}$ is

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The average of a non-decreasing sequence of N numbers $a_{1}, a_{2}, ..., a_{N}$ is 300 . If $a_{1}$ is replaced by $6 a_{1}$ ; the new average becomes 400 . Then, the number of possibie values of $a_{1}$ is

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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 possibie values of a1 is

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The average of a non-decreasing sequence of N numbers $a_{1}, a_{2}, ..., a_{N}$ is 300 . If $a_{1}$ is replaced by $6 a_{1}$ ; the new average becomes 400 . Then, the number of possibie values of $a_{1}$ is