Two chords AB and CD ofa circle intersect at a point P inside the circle If AB 7 cm PC 2 cm and AP 4...........

Quantitative Aptitude (CGL) Geometry

Two chords AB and CD ofa circle intersect at a point P inside the circle. If AB = 7 cm, PC = 2 cm and AP = 4 cm,then CD is equal

to:

This questions was previously asked in

SSC CGL 11 June 2019 Shift-3

4 cm

6 cm

8 cm

5 cm

When two chords intersect at point P inside the circle then PA × PB = PC × P D

4 × 3 = P D × 2
P D = 6
Therefore, CD= PC+PD=2+6=8 cm.

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