If three boys and two girls can do the same piece of work as two boys and three girls, then what is the ratio of efficiency of boy and girl?
1
1 : 1
2
1 : 2
3
2 : 1
4
Can't be determined
5
None of the above
If three boys and two girls can do the same piece of work as two boys and three girls, then what is the ratio of efficiency of boy and girl?