Question

How many different words can we make using the letters $A,B,G$ and $L?$

• A. $16$
• B. $24$
• C. $32$
• D. $64$

Answer 1

The correct option is B $24$

$A,B,G,L$

We have $4$ choices for the first letter, $3$ choices for the second letter, $2$ choices for the third letter and $1$ choice for the fourth letter.

Hence, the number of words is given by
$4\times 3\times 2\times 1=24$