If the symbol 
| p | q |
| :--- | :--- |
| r | s | 
is defined by $p\times s - q\times r$, then the value of 
| 4 | 5 |
| :--- | :--- |
| 2 | 3 | 
is
(A) -3
(B) -2
(C) 2
(D) 3
(E) 14
From the definition, | 4 | 5 |
| :--- | :--- |
| 2 | 3 |$=4 \times 3-5 \times 2=12-10=2$.

ANsweR: (C)