venkat takes 2 hours more than vatsato cover a distance of600 km.if instead venkat doubles his speed he would reach the destination 4 hours before vatsa.find vatsa speed?pl. provide sol. also

1) 100km/hr
2) 50km/hr
3) 60km/hr
4) 120km/hr

• In this question time and distance is constant.Let time be 't'hr and distance is 600km
  Now,
  For Venkat: Let his speed be x. therefore, x=600/(t+2) . . . Eq.(1)
  If Venkat reaches destination earlier then, 2x=600/(t-4) -----> x=600/2(t-4) . . . Eq.(2)
  600/(t+2)=600/2(t-4)
  t+2=2(t-4)
  t=10
  Now Let Vasta's speed be 'y' i.e. y=distance/time
  y=600/10
  y= 60 km/hr
• 9 years agoHelpfull: Yes(2) No(0)