In ΔPQR, ∠QPR = 45° and the bisectors of ∠

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In ΔPQR, ∠QPR = 45° and the bisectors of ∠PQR and ∠PRQ meets at O. What is the value (in degrees) of ∠QOR?

[2017 SSC CGL 12 AUG Shift 2]

A 107.5

B 112.5

C 117.5

D 122.5