Question: How many meaningful 4-letter words are there in the list of all possible arrangements of the letters in the word EARN, if each letter is used only once?
A ) 5 B ) 1 C ) 3 D ) 2
Steps to derive
1 The possible arrangements of the letters in the word EARN are
2 The meaningful words in the above list are EARN and NEAR.
3 There are 2 meaningful words in the list of all possible arrangements of the letters in the word EARN.
