Examine the four jumbled sentences. Out of the given options, pick the one that gives their correct order.

1. We need more runways for landing facilities.
2. Airports have become an essential part of a developing city
3. Air taxi services will boost the tourism in the state.
4. This will surely promote our tourism sector and help in increasing connectivity between cities.

BCAD

The correct answer is Option (1) - BCAD

The correct order for the jumbled sentences about airports and tourism is: BCAD

Here's why:

B. Airports have become an essential part of a developing city. (This sentence sets the stage by introducing the main topic - the crucial role of airports in a developing city.)

C. We need more runways for landing facilities. (This sentence elaborates on the needs of airports - requiring more infrastructure to handle increased traffic. It connects to the previous sentence by suggesting a specific need for improvement in existing airports.)

A. Air taxi services will boost the tourism in the state. (This sentence introduces a potential benefit of improved airport infrastructure - the possibility of attracting more tourists through air taxi services. It connects to the previous two sentences by showing how more runways and improved airports can facilitate air taxi services.)

D. This will surely promote our tourism sector and help in increasing connectivity between cities. (This sentence outlines the overall positive impact - increased tourism and better connections between cities. It connects to all the previous sentences by summarizing the potential benefits of improved airports and air taxi services.)

BCAD provides a clear structure that builds from the importance of airports to specific needs (more runways) and the resulting benefits (tourism boost and better connectivity).