Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If p, q, r 
N, then the number of points having position vector 
such that 
are
Text Solution
Verified by ExpertsThe correct answer is:
B
185
8 
p + g + r 
12
p + g + r = 8,9,10,11,12
Here, p, g, r 
1
Hence, required number {using number of positive integral solutions = n-l C r-1 }
= 7 C 2 + 8 C 2 + 9 C 2 + 10 C 2 + 11 C 2
=21+28+36+45+55
=185
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