Correct Answer:
B. 1955–60
The correct answer is 1955–60. Pakistan's first Five-Year Plan for economic development was launched in 1955 and concluded in 1960. These plans were designed to guide the country's economic growth and resource allocation in various sectors.
- 1950–55 is incorrect; this period predates the formal launch of the first Five-Year Plan.
- 1960–65 is incorrect; this was the period of the second Five-Year Plan.
- 1965–70 is incorrect; this was the period of the third Five-Year Plan.