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find the average speed if a man travles at speed 24kmph up and 36 kmph down at an altitude of 200m?

a)28.8mph b)27.8mph c)27.5mph d)30mphr

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ans is 28.8 mph
as avg speed is given by (2*24*36)/(24+36) = 28.8 mph.
12 years agoHelpfull: Yes(10) No(0)

2*24*36/(24+36)=28.8mph
12 years agoHelpfull: Yes(1) No(1)

TCS Other Question

FGHIJKLMN are 8 people. They need to be divided into2 groups. They’ll give you some 5 conditions
and they’ll ask you how can one of those groups be paired? You have to make sure all the conditions satisfy
both the groups and select an answer. find the average speed if a man travles at speed 24kmph up and 36kmph down at an altitude of 200m?

a) 28.8 mph b)27.8mph c)27.5mph d)30mph