Among 120 candidates, 68 can use spreadsheet software, 52 can use presentation software, and 20 can use neither. How many can use both?
- 24
- 22
- 20
- None of these
Explanation
Total = 120
Neither = 20
At least one software = 120 - 20 = 100
Formula:
Spreadsheet + Presentation - Both = At least one
68 + 52 - Both = 100
120 - Both = 100
Both = 20
Last verified on 20-10-2026
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