The Ratio of Their Efficiencies of Work is :
A can do half of a piece of work in 1 day, whereas B can do full. B can do half the work as C in 1 day. The ratio of their efficiencies of work is
- 2:4:1
- 2:1:4
- 4:2:1
- 1:2:4
A can do half of a piece of work in 1 day, whereas B can do full. B can do half the work as C in 1 day. The ratio of their efficiencies of work is