Question

The number of books in Kara's collection is divisible by 2, 4, 5, 10. She had more than 11 books and fewer than 25 books. How many books site does Kara have ?

Answer 1

Dear Student,

$$\begin{gathered} \mathrm{As},\mathrm{LCM}\left(2,4,5,10\right)=20 \\ \mathrm{So},\mathrm{the}\mathrm{Kara}\mathrm{has}20\mathrm{books}. \end{gathered}$$

Regards