How many meaningful four-letter English words can be formed using the first, second, third, and fifth letters of the word "SCHOOL" (when counted from left to right), using each letter only once in each word?
A1
B2
C3
D4
A1
B2
C3
D4
Related Questions:
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
8:14 :: 12:22 :: 21:?