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Question

In the figure, O is the centre of the circle. POQ=100;POR=11O; then QPR equals :

84439_172e04a9f3d9436db05f5154ec5ba6fd.png

A
210
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B
200
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C
150
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D
75
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Solution

The correct option is C 75
QOR+QOP+POR=360o
QOR=360100110=150o
Angle subtended at the center is twice the angle subtended anywhere on the arc.
QPR=12QOR=75o
So option D is the right answer.

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