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Find the number of ways of selecting 6 out of 10 subjects for an examination

Find the number of ways of selecting 6 out of 10 subjects for an examination
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 128
  • B 216
  • C 215
  • D 210
Correct Answer: Option D
Explanation:
\(^{10}C_6 = \frac{10!}{(10-6)!6!}\\
=\frac{10!}{4!6!}\\
=\frac{10\times 9\times 8 \times 7 \times 6!}{4\times 3\times 2\times 1 \times 6!}\\
=210\)

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