Question

Given: $\frac{20!}{18!}=380$

• A. True
• B. False
• C. Either
• D. Neither

Answer 1

The correct option is A True

$\frac{20!}{18!}=?20!=20\times 19\times 18\times ........3\times 2\times 1=20\times 19\times (18!)\frac{20!}{18!}=\frac{20\times 19\times (18!)}{18!}=20\times 19=380$

Hence the value matches so the equation is true.