Races and Games Practice Test 2 with solutions

Question : 3 of 13

Marks: +1, -0

A can run a 1 km race in 4 minutes and B in 5 minutes. By what distance can A beat B?

Solution:

The required distance = 1,000

(1-x/y)

metre
x = 4 minutes = 240 seconds
y = 5 minutes = 300 seconds

(1-x/y)

metre

100[1-{240}/{300}]

1000 × {60}/{300}

= 200 metre

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