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Quantitative Aptitude -Time,Speed and Distance-Game or Race question-1!

PSA_LEVEL-UP_QNR35. Subbu and Vinay run 100 metres in 20 seconds and 25 seconds respectively. By what distance will Subbu beat Vinay in a race of hundred metre.
a)10 m
b) 25 m
c) 12 m
d) 20 m

Ans: As you can see that while Subbu finishes 100 metres in 20 seconds, Vinay is still running & takes 5 seconds more to reach the finishing line.

In 5 seconds, how much does Vinay have to still run?

Speed of Vinay = 100/25 = 4 m/s
In 5 seconds, Vinay runs = 5*4 = 20 metres. Option (d).

Thus, you can say that Subbu will beat Vinay in a 100 m race by a distance of 20 metres.

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