Question

Lasya alone can do a work in 16 days. Srimukhi’s efficiency is 20 % lesser than that of Laya. If Rashmi and Srimukhi together can do the same work in 12 days, then find the efficiency ratio of Rashmi to that of Lasya?
A) 19 : 7
B) 30 : 19
C) 8 : 15
D) 31 : 17

Answer 1

sorryyyyyy..................