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Questions  

P (0, 5, 6), Q (1, 4, 7), R (2, 3, 7) and S (3, 4, 6) are four points in the space. The point farthest from the origin O (0, 0, 0) is

a
p
b
Q
c
R
d
S

detailed solution

Correct option is B

OP2=0+52+62=61,OQ2=66,OR2=62OS2=61

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