JEE Main 10 Jan 2019 Shift 1 Solved Paper

Section: Mathematics

Question : 50 of 90

Marks: +1, -0

The mean of five observations is 5 and their variance is 9.20. If three of the given five observations are 1, 3 and 8, then a ratio of other two observations is :

[10 Jan 2019 Shift 1]

4 : 9
6 : 7
5 : 8
10 : 3

Validate

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