Assertion (A) : There are three doors to a room. The number of ways in which a student can enter the room and leave it by a different door is 6.
Reason (R) : If an operation can be performed in m ways and another operation can be performed in n ways, then the two operations in succession can be performed in mn ways.
The correct answer is

Options

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true

Answer

A