TCS Company Numerical Ability Time Distance and Speed

One train travels 200m from A to B with 70 km/ph and returns to A with 80kmph, what is
the average of their speed?

Read Solution (Total 2)

Pls check if distance given (200m) is correct.

In any case , average speed = 2*70*80/(70+80) = 80*140/150 = 1120/15 = 74.66 kmph
13 years agoHelpfull: Yes(7) No(2)

fOR AVERAGE SPEED,THE FORMULA IS:
AVG(SPD)=2*P*Q/(P+Q)
ANS:74.6666KMPH
13 years agoHelpfull: Yes(4) No(0)

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