Subject
Bank Exam
Topic
গ্লোবাল ইসলামী ব্যাংক (প্রেবেশনারি অফিসার) -০২.০৪.২০২২
A popular website requires users to create a password consisting of digits only.If no digit may be repeated and each password must be at least 9 digits long,how many passwords are possible ?
A popular website requires users to create a password consisting of digits only.If no digit may be repeated and each password must be at least 9 digits long,how many passwords are possible ?
ক)
9!+10!খ)
2×10!গ)
9!×10!ঘ)
9!