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Question

if a boy travels 5km at 30kmph and 6km at 24kmph what is its avg speed?

Answer

30*5+24*6=150+144=294 294/2=147 Answered By: krishna    Date: 1/7/2008 Avwerage speed=(5*30)+(6*24)/11 Average speed is 26.72kmph Answered By: vivek    Date: 1/8/2008 27kmph Answered By: Gautam Sarma    Date: 1/19/2008 26.4km/hour Answered By: sahil    Date: 1/20/2008 26.4 km/h Answered By: sagar    Date: 2/4/2008 122/5kmph take the time in each case and then total the distance and divide by total time u get the average speed Answered By: dubey    Date: 2/11/2008 ques:if a boy travels 5km at 30kmph and 6km at 24kmph what is its avg speed.. ans:Avwerage speed=(5*30)+(6*24)/11 Average speed is 26.72kmph Answered By: vel    Date: 2/13/2008 average speed=11/[(5/30)+(6/24)]=26.4kmph Answered By: harshith    Date: 2/19/2008 time taken to travel 5km=10 min at 30kmph time taken to travel 6km=15 min at 24kmph total distance 5+6=11 total time 10+15=25 11/25*60=660/25=26.40 kmph Answered By: sahil rampal    Date: 2/22/2008 avg speed=total dis./total time total dis.=6+5=11km total time=30/5+24/6=10H avg speed=11/10=1.1kmph Answered By: mukesh    Date: 3/19/2008 26.4 Answered By: ANN    Date: 4/22/2008 ((5km*30kmph)+(6km*24kmph)/2)=147 Answered By: aswathi    Date: 5/8/2008 total distance/total time 11/[25/60]=26.4 kmph Answered By: ronak shah    Date: 5/16/2008 (5+6)/(5/30+6/24) = 26.4 Kph Answered By: Ankur    Date: 5/25/2008 Time taken to cover first 5 km=5/30hrs=0.16hr Time Taken to cover another 6 km=6/24=0.25 hr Total time=0.16+0.25=0.41 hrs Total Distance=5+6=11 Averave Speed=total Distance/Total Time =11/0.41=26.82 km/hr Answered By: Amit Joshi    Date: 5/31/2008 [(5*30)+6*24)]/11 26.72 Km/Hrs Answered By: Narender Kumar    Date: 6/18/2008 12kmph using formula 2xy/x+y Answered By: luckkygaddu    Date: 6/19/2008 S1=30 S2=24 1/S1+1/S2=2/SA SA=AVERAGE SPEED 1/30+1/24=2/SA SA=(2*120)/9=26.6 Answered By: AKILA    Date: 6/23/2008 147 Answered By: HARDIK PANCHAL    Date: 6/30/2008 Don't use the formula 2xy/(x+y).this formula is possible only for equal distance.so the ans is 26.82km/hr. Answered By: pavithra    Date: 7/15/2008 26.4 Answered By: ramachandran kec    Date: 8/11/2008 [(5/6)+(6/24)]=(11/s); s=132/5==>s=26.4Kmph Answered By: Ravinder    Date: 8/21/2008 30*5+24*6=150+244=394 394/2=197 Answered By: Shi    Date: 8/22/2008 (30*5)+(24*6)=150+144=294 294/2=147 Answered By: Shruthi    Date: 8/22/2008 © NewInterviewQuestions.com

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Category	Logical & Aptitude Interview Questions
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Added	11/25/2007
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