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A alone can finish a piece of work in 10 days which B alone

A and B can finish a work 30 days if they worktogether.

The

The

A does half as much work as Band C does half as much work as

A does half as much work as B and C does half as much work a

Speed of a boat in still water is 10 km/h and speed of strea

A can finish a work in 18 days and B can do same work in hal

A can finish a work in 18 days B can do the same work in 15

A can finish a work in 15 days and B can do the same work in

K can finish the work in 18 days and L can do the same work

A can finish a work in 18 days and B can do the same work in