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Continued proportion

Students who are preparing for ICSE can discuss their problems & share thier knowledge on topics like Continued proportion etc.Join this group and start discussion.

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Shobhit shared a question:

The mean of five observations is 3 and the variance is 2. If three of the five observations are 1, 3 and 5, find the other two observations.
(A) 3 +, 3 –
(B) 2, 4
(C) 2, 3
(D) 3, 4
(E) 4, 5

Jun 14, 2014 9:26 AM