If N=100, (A)=50, (B)=40, and (αβ)=30, then (AB) is: MCQ with Answer and Explanation

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If N=100, (A)=50, (B)=40, and (αβ)=30, then (AB) is:

A. 30

B. 20

C. 10

D. 40

Answer: Option B

Solution (By JKSSB Mock Tests)

(αβ)= N - (A) - (B) + (AB) → 30 = 100-50-40 + (AB) → (AB)=20.

This question belongs to: Accountancy and Statistics Statistics

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