Math world

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OP ____ OQ if O is Centre of circle and P lies exterior on circle and Q lies interior on Circle

(A) >
(B) <
(C) =

What is the maximum times that any digit can be repeated in Roman number?
(a)1 (b)2 (C)3 (d)4

what is the area of triangle?
(a) 1/2×b×h
(b) 1/2×b×p
(c) 1/2×π×r
(d) 1/2× π×r²
(e) none of these