Latest TCS Aptitude Question SOLUTION: Megha drives her car along a square field of side 10km along the perimeter. First side at the speed of 10kmph, second at the speed of 20kmph, third side at the speed of 30 kmph, th

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(#M40011596) TCS question Megha drives her car along a square field of side 10km along the perimeter. First side at the speed Keep an EYE

Megha drives her car along a square field of side 10km along the perimeter. First side at the speed of 10kmph, second at the speed of 20kmph, third side at the speed of 30 kmph, then at 40kmph. Find the average speed of the total travel.

Asked In TCS Priyabrat Padhy (11 years ago)

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vivek tomar  (11 years ago)

its about 19.2 km/h...
square has 4 sides so total dis tance is 40 km.
first side 10km by 10km/h so t=d/s=10/10=1h
2nd side 10 by 20 km/h so t=10/20=1/2h
3rd side 10 by 30 km/h so t= 10/30=1/3h
4th side 10km by 40 km/h t=10/40=1/4
avg .speed= d/t=40/(1+1/2+1/3+1/4)=19.2km/h

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rahul jain  (11 years ago)

19.2 total dist./total time

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shivesh  (11 years ago)

ans will be
4x/5/24x=96/5

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neha mishra  (11 years ago)

40/(1+1/2+1/3+1/4) =20

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vivek garg  (11 years ago)

i think ans is 19.2

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