A. 5 : 6 : 3
B. 6 : 3 : 7
C. 3 : 4 : 9
D. 6 : 3 : 5
If A, B and C can do a work in 6, 5, 10 days respectively. Find their efficiency ratio ?
Facebook
LinkedIn
Pinterest
WhatsApp
Print
👉 Latest MCQs
Web Desk