If 40% of (A – B) = 20% of (A + B), then B is what percent of A?

Topic: Percentages
Subtopic: Percentage Calculations

A33.33%

B50%

C60%

D75%

Explanation

0.4(A – B) = 0.2(A + B) => 2(A – B) = A + B => 2A – 2B = A + B => A = 3B => B/A = 1/3 = 33.33%.

Exam Relevance

Submitted by: mcqstutor Team More Mathematics MCQs →