Task instructions
Solve without relying on memorised shortcuts that do not fit the conditions.
In a group of 100, 60 study finance, 50 study analytics, and 20 study both. How many study at least one?
A. 90
B. 70
C. 80
D. 110
Practice workspace
Write notes or your response
02:00
Reveal answer key / expected response
A — 90
Official-style scoring criteria
Correct quantitative reasoning and efficient interpretation.