If O(0,0,0), P(3,4,5), Q(m,n,r) and R( 1, 1, 1) be the vertices of a parallelogram taken in order, then what is th

Question Asked by a Student from EXXAMM.com Team

Q 2309367218.     If O(0,0,0), P(3,4,5), Q(m,n,r) and R( 1, 1, 1) be
the vertices of a parallelogram taken in order, then
what is the value of m + n + r?
NDA 2010 Paper 1
A

6

B

12

C

15

D

More than 15

HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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