Gate Exam Numerical Ability Time Distance and Speed

P and Q run a kilometer and P wins by 1 minute. P and R run a kilometer and p win by 375 meters. Q and R run a kilometer and Q wins by 30 seconds. Find the time taken by P,Q,R to run a kilometer

Read Solution (Total 1)

sp=x/tp, sp=x/tp, sq=x/tp+60(tq=tp+60) nd (tr=tq+30)
sq=x/tp+60, sr=0.625x/tp, sr=x/tp+90, equating all nd u will get tp=173sec, tq=243sec, tr=273sec.
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