Bank Preparation
Bank Math
ব্যাংক নিয়োগ
Combined Bank
Combined 6 Bank (Assistant Programmer- 18.03.2021)
Time & Work, Chain Rule
Combined 6 Bank (Assistant Programmer- 18.03.2021)
A takes thrice as long to do a piece of work, as B takes. A & B together can finish a piece of work in 15 days. A alone can do it in -
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
3 (60 days)