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JEE Main 8 Apr 2019 Paper 2 Solved Paper

Section: Mathematics

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Question : 90 of 90

Marks: +1, -0

A student scores the following marks in five tests : 45, 54, 41, 57, 43. His score is not known for the sixth test. If the mean score is 48 in the six tests, then the standard deviation of the marks in six tests is :

[8 Apr 2019 Shift 2]

10
√3
10
3
100
√3
100
3

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