In a race, an athlete covers a distance of 360 m in 60 sec in the first lap. He covers the second lap of the same length in 180 sec. What is the average speed (in m/sec) of the athlete?
A9
B12
C3
D10
A9
B12
C3
D10
Related Questions:
A can do % of a work in 10 days and B can do % of the same work in 8 days. Both together worked for 8 days then C alone completes the remaining work in 3 days. A and C together will complete part of the original work in: