Bank Preparation
Bank Math
ব্যাংক নিয়োগ
BASIC Bank Limited
Basic Bank-Assistant Manager(26.01.2018)
Time & Work, Chain Rule
Basic Bank-Assistant Manager(26.01.2018)
A and B together can do a piece of work in 40 days. A having worked for 20 days, B finishes the remaining work alone in 60 days. In how many days shall B finish the whole work alone?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
2 (80 days)
