Time and Distance - Arithmetic Aptitude Questions and Answers

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A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:

35.55 km/hr

36 km/hr

71.11 km/hr

71 km/hr

Answer : Option C

Explanation :

Total time taken =\( [\frac { 160 } { 64 }\)+\(\frac { 160 } { 80 }]\)hrs=\( \frac { 9 } { 2 }\)hrs

Average speed =[360*\( \frac { 2 } { 9 }]\)km/hr=71.11km/hr

NIHAR MANDAL said : (Jan 04, 2022)

Total distance is 320km It's not 360

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