P and Q are centres of two circles whose radii are 7 cm and 3 cm, respectively. If the direct common tangents to the circles meet PQ extended at A, then A divides PQ _________.
A
externally in the ratio 3 : 7
B
externally in the ratio 7 : 3
C
internally in the ratio 7 : 3
D
internally in the ratio 3 : 7
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Question: P and Q are centres of two circles whose radii are... - PrepLeague