1.

in a 10 km race, p and q complete the race in 4 minutes and 5 minutes 20 second respectively. p beats q by​

Answer»

Step-by-step explanation:

A. 2.8 km

B. 2 km

C. 2.5 km

D. 3 km

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Explanation:-

Answer : C

Discuss it below :

Q TAKES 5 min 20 sec (320 seconds) to run 10 km. Distance covered by Q in 4 mins (240 s)

= 10*240/320

= 7.5 km Q COVERS 7.5 km when P completes the race. P beats Q by 2.5 km. Alternatively, using the formula,

x=1 km, t1=240s, t2=320s

d=(x/t2)(t1-t2) =(10000/320)*80 = 2.5 km



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