Processing math: 100%
Home / Aptitude Tests / Mathematics / Find the number of w...

Find the number of ways of selecting 8 subjects from 12 s...

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 is B

Combination is the number (n) of ways of selecting a number of (m) of objects from n
12C812!8!(128)!=12!8!4!(12×11×10×9×8×7×6×5×4×3×2×1)8×7×6×5×4×3×2×1Aftercancellingoutwehave11×5×9=495