Question

In a race of one kilometre. A gives B a start of 40 metres and still wins by 20 seconds. But if A gives B a start of 25 seconds, B Wins by 50 meters. The time taken by A to run one kilometre is

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Answer 1

Answer:

$313133313 = 0 = 36463166413113313 \\ \\ \binom} \tan(364643436646463 {3 =3133 331331364444446 {334}^{2} }^{?} ) 133313 = 131311$