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NDA 2010
Exam
NDA
Year
2010
Subject
Mathematics
Chapter
Three Dimensional Geometry

NDA 2010 · Mathematics · Three Dimensional Geometry

Let O(0,0,0), P(3,4,5), Q(m, n, r) and R(1,1,1) be the vertices of...

Let O(0,0,0),P(3,4,5),Q(m,n,r)\mathrm{O}(0,0,0), \mathrm{P}(3,4,5), \mathrm{Q}(m, n, r) and R(1,1,1)\mathrm{R}(1,1,1) be the vertices of a parallelogram taken in order. What is the value of m+n+rm+n+r ?

Options

  1. A6
  2. B12
  3. C15
  4. DNone of these

Correct answer

D. None of these

Step-by-step solution

The correct answer is option (D).
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