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Venn Diagrams — quick quiz

5 real RRB NTPC questions on Venn Diagrams. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

In a group of 150 employees, 80 know English, 70 know Hindi, 60 know Marathi, 30 know both English and Hindi, 25 know both Hindi and Marathi, 20 know both English and Marathi, and 10 know all three languages. How many employees know only English?