BANK IBPS RRB Clerk 2025 Mock Test Series (Pre + Mains) Quantitative Aptitude Permutation and Combination
In how many ways a 4-digit number can be formed from the digits 1, 2, 3, 4, 5, 6, 7 and 8 if repetition is not allowed.
1
84
2
48
3
8C4
4
8P4
5
None of these