UPSC 2013 CDS 2 Math Paper

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Question : 98 of 100

Marks: +1, -0

If m is the mean of p, q, r, s, t, u, v, then what is

(p–m)+(q–m)+(r–m)+(s–m)+(t–m)+(u–m)+(v–m)

equal to?

[2013 CDS-II]

0
s
(p+v)
2
None of these

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