Bank Preparation
Bank Math
ব্যাংক নিয়োগ
Social Islami Bank PLC (SIBL)
Social Islami Bank-PO(12.03.2021)
Percentage and Profit & Loss
Social Islami Bank-PO(12.03.2021)
A man has 53 socks in his drawer 21 identical blue, 15 identical black and 17 identical red. The lights are fused and it is completely in the dark. How many socks must he take out to make 100 percent certain he has a pair of black socks?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
2 (40)