What is the no of linear arrangements of the four letters in CALL is?

To find the number of linear arrangements of the letters in "CALL," we first note that there are 4 letters in total, with the letter 'L' repeated twice. The formula for the arrangements of letters where some are repeated is given by ( \frac{n!}{p_1! \cdot p_2! \cdots p_k!} ), where ( n ) is the total number of letters, and ( p_1, p_2, \ldots, p_k ) are the frequencies of the repeated letters.

In this case, we have:

• Total letters (n) = 4
• Frequency of L = 2

Thus, the number of arrangements is:

[ \frac{4!}{2!} = \frac{24}{2} = 12 ]

Therefore, there are 12 distinct linear arrangements of the letters in "CALL."