Question
Mathematics Question on permutations and combinations
Evaluate (i)5!(ii)7!
A
110,5030
B
120,5040
C
115,5020
D
121,5000
Answer
120,5040
Explanation
Solution
(i) 5!=1×2×3×4×5=120 (ii) 7!=1×2×3×4×5×6×7=5040
Evaluate (i)5!(ii)7!
110,5030
120,5040
115,5020
121,5000
120,5040
(i) 5!=1×2×3×4×5=120 (ii) 7!=1×2×3×4×5×6×7=5040