Question

‘A’ and ‘B’ together can complete a work in 18 days. If ‘A’ increases his efficiency by 20% and ‘B’ decreases his efficiency by 40%, then the time required to complete the work remains unchanged. Find the ratio of efficiencies of ‘A’ and ‘B’, respectively.

A 1:1
B 2:3
C 3:2
D 4:3
E None of these
Practice Next

More Time and work Questions

Relevant for Exams:

Hey! Ask a query