Real Estate MathIntermediateDelaware Exam

A Delaware property has a gross operating income of $55,000 and an operating expense ratio of 45%. What is the net operating income?

A$30,250Correct
B$24,750
C$55,000
D$9,900

Why $30,250 Is Correct

Answer A: $30,250

Operating Expenses = $55,000 × 45% = $24,750. NOI = $55,000 − $24,750 = $30,250.

Exam Tip: Real Estate Math

Math questions are formula-based. Memorize the key formulas: commission splits, proration, cap rate (NOI ÷ Value), GRM (Price ÷ Gross Rent), and LTV (Loan ÷ Value). Practice converting between annual and monthly figures.

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