The average of a non-decreasing sequence of N numbers a_1, a_2, \ldots, a_N is 300 . If a_1 is replaced by 6 a_1, the new average becomes 400 . Then, the number of possible values of a_1 is

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CAT 2022 Slot 2 QA · Question 8

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

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