The per capita income of India from 1950 to 1990 is four times. This study is
| A. | social |
| B. | horizontal |
| C. | longitudinal |
| D. | factorial |
Answer : C Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
