Subject :IMO Class : Class 8
In the given figure, line RT is drawn parallel to SQ. If ∠QPS = 100°, ∠PQS = 40°, ∠ PSR = 85° and ∠QRS = 70°, then ∠QRT = ________.
A45°
B65°
C85°
D90°
please solve this qwuestiom