2001
Mathematics
67ca00ce0c643c71d77dee1f
Find the number of ways of selecting 8 subjects from 12 subjects for an examination.
A.
490
B.
495
C.
496
D.
498
Correct Answer: 495
Explanation
Combination is the (n) number of ways of selecting a number of (r) subjects from n. nCr = n!/r!(n-r)! = 12! 8! x 4! = 495
Combination is the (n) number of ways of selecting a number of (r) subjects from n. nCr = n!/r!(n-r)! = 12! 8! x 4! = 495THIS WEEK's
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