Aptituted Programming and Technical Logical Reasoning

(x + 1/x) = 6 the value of ( x5 + 1/x5 ) = ?

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Aptituted Other Question

43.Two trains are travelling in opposite directions at uniforms speeds of 60 kmph and 50 kmph.They

take 5 seconds to cross each other.If the two trains travelled in the same directions.then a passenger

sitting in the faster moving train would have overtaken the other than in 18 seconds.what are the

lengths of the trains?