1.

270 Meters In Length Prepare Running At The Speed Of 120 Km Ph Crosses Another Prepare Running Inverse Way At The Speed Of 80 Km Ph In 9 Seconds. What Is The Length Of The Other Prepare ?

Answer»

Relative SPEED = (120 + 80) km/hr 

= 200 X 5/18 m/sec 

= 500/9 m/sec.

Relative speed = (120 + 80) km/hr 

= 200 x 5/18 m/sec 

= 500/9 m/sec.



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