The first National development plan period was from? by Sunday | May 3 | Economics NECO | 0 comments A. 1955-1959 B. 1962-1968 C. 1965-1970 D. 1970-1974 E. 1975-1980 Correct Answer: Option B – 1962-1968 Users Also Read These:The period of a simple pendulum X is 5s. What is the…One of the major criticisms of the 1992-1968…Opening balance of Diks company was #12,202, closing…A simple pendulum of length 0.4m has a period of 2s.…Short-run period in production is a period too short…