TCS NQT Guide TCS NQT Reasoning AbilityLogical Venn Diagram-Based Data Interpretation

Logical Venn Diagram-Based Data Interpretation

Learn core concepts, essential formulas, and attempt practice questions designed on the latest TCS NQT testing patterns.

Key Concepts & Formulas

Practice Question 1

In a class, 20 like Tea, 15 like Coffee, 5 like both. How many like at least one?

A) 30

B) 35

C) 25

D) 40

Correct Answer: A) 30

Step-by-step Solution: Total = Tea + Coffee - Both = 20 + 15 - 5 = 30.

Practice Question 2

How many like Tea only?

A) 15

B) 20

C) 5

D) 10

Correct Answer: A) 15

Step-by-step Solution: Tea only = Total Tea - both = 20 - 5 = 15.

Subtract intersections from group totals to find 'only' counts.