1. 

Arrange the words given below in a meaningful sequence.

1. Key 2. Door 3. Lock 4. Room 5. Switch on

A. 1, 2, 3, 5, 4
B. 1, 3, 2, 4, 5
C. 4, 2, 1, 5, 3
D. 5, 1, 2, 4, 3

Answer: Option B

Explanation:

No answer description available for this question.