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Question

# The graph given here shows the motion of four runners- P,Q,R and S in a 5km marathon. Whose motion is the fastest?SQPR

A
R
B
P
C
Q
D
S
Solution
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#### Motion of P is the fastest.From the above graph we can conclude that P takes 2.5h to complete 5kmwhile Q takes 4.5h to complete 5kmR takes 6h to complete 5kmS takes 6.5h to complete 5km

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