Words formed by choosing given numbers of vowels and consonants

1. A.
   24800
2. B.
   25100
3. C.
   25200
4. D.
   25400

Tap an option to check your answer.

1. A.
   ${}^4C_2 \times {}^5C_2 \times (21)^2$
2. B.
   ${}^4C_2 \times {}^5C_2 \times {}^{21}C_2$
3. C.
   ${}^4C_2 \times {}^5P_2 \times {}^{21}P_2$
4. D.
   ${}^4C_2 \times {}^5P_2 \times (21)^2$

Tap an option to check your answer.