CBSE Class 10 Answered
plzz answer .....
Asked by kirtichawla94 | 18 Feb, 2010, 04:56: PM
Expert Answer
Dear Student
Say plane usual speed= x
if it travells 1500km with xspeed it reaches say at timr T
if it travells 1500km with (x+250)speed it reaches at time ( T-1500/(x+250))
The differencr between T and ( T-1500/(x+250))= 30 min=0.5 hr
1500/(x+250)=0.5==> X+250=3000==> x=2750 km/hr
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Team Topperlearning.com
Answered by | 18 Feb, 2010, 05:20: PM
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