Logical Reasoning :: Number Series
- Which number would replace the underline mark in the series 20, 40, 100, _, 820?
- What are the missing numbers in this series, 15, 20, 24, 15, 28, 32 15, _, _, 15?
- Look at the series, 12, 24, 14, 28, 18, 36, __, which number should come next?