GENPACT Company Logical Reasoning Letter Arrangement

A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.His average speed for the whole jouney in km/hr is
A. 35
B. 37
C. 37.5
D. 40

Read Solution (Total 1)

Average speed=2xy/x+y
=(2*50*30)/(50+30)
=37.5Km/hr
11 years agoHelpfull: Yes(1) No(0)

GENPACT Other Question

The average of six numbers is X and the average of three of these is Y.If the average of the remaining three is z, then
A. x = y + z
B. 2x = y + z
C. x = 2y + 2z
D. None of these The average age of a husband and his wife was 23 years at the time of their marriage.After five years they have a one year old child.The average age of the family now is
A. 19 years
B. 23 years
C. 28.5 years
D. 29.3 years