NDA#!#Stone Age

On arranging Atomic Age, Metallic Age, Stone Age, Alloy Age in a meaningful order (starting from the earliest) which would appear in the 3rd position ?

History (इतिहास) - Stone Age (पाषाण काल)|Summary

In the following questions, which one of the given responses would be a meaningful order of the following words in ascending order ? (a) Atomic Age (b) Metallic Age (c) Stone Age (d) Alloy Age