Simple Percentage Questions for ADRE Grade IV 2027
Free MCQs with hints, explanations, and memory tricks — no signup required.
Percentage — Quick Overview
Percentage questions appear in every ADRE paper — expect 4-6 questions.
Key Formula
Percentage = (Part/Whole) × 100 | Successive change: a + b + ab/100
Exam Tip
Memorize: 1/5=20%, 1/4=25%, 1/8=12.5%, 1/3=33.33%. Saves calculation time.
Common Trap
20% up then 20% down is NOT 0%. Correct answer: 20+(-20)+(20×-20)/100 = -4%.