Question 7
An escape room contains 7 unique keys. How many different 4-key sequences can be formed using these keys without repetition?
An escape room contains 7 unique keys. How many different 4-key sequences can be formed using these keys without repetition?
A written answer, not marked automatically.
Question 7 of 13 in the IIT Madras BS Statistics for Data Science I (Stats 1) Quiz 2 paper sat on 16 Aug 2026, in the May 2026 term (Statistics1 14 Aug 26). It carries 2 marks.