# A person starts from a point P and travels along a path PQRS as shown in the figure, then speed of the person is _____ ms^(-1)

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A person starts from a point P and travels along a path PQRS as shown in the figure, then speed of the person is _____ ms^(-1)

A. 0.2
B. 20
C. 12
D. 0.4

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