Elementary Mathematics • Topic Practice Hub
Percentages (ADRE Questions & PYQ Solutions)
Practice official ADRE solved questions and previous year paper sets for Percentages. Includes step-by-step solutions and explanations. Explore 3 questions collected from official SLRC ADRE Grade 3 & Grade 4 papers.
Total MCQs
3
Official PYQs
3
Subject
Elementary Mathematics
Format
Bilingual MCQs
Solved MCQs & Official Answer Explanations
ADRE 2024 • 2024 Paper 1Question 1
40% of 60 when added to 60% of 40 would result in:
A.40
B.48 ✓ (Correct)
C.60
D.64
Explanation: $40\% \text{ of } 60 = 0.4 \times 60 = 24$. $60\% \text{ of } 40 = 0.6 \times 40 = 24$. Sum = $24 + 24 = 48$.
ADRE 2024 • 2024 Paper 3Question 2
A number was increased by 40% and thereafter decreased by 40%. The net change in the number in percentage is
A.16% increase
B.16% decrease ✓ (Correct)
C.32% decrease
D.No change
Explanation: Net % change = $+40 - 40 - \frac{40 \times 40}{100} = -16\%$, representing a 16% decrease[cite: 5, 6].
ADRE 2024 • 2024 Paper 3Question 3
100% of 100 when added to 200% of 200 would result
A.300
B.400
C.500 ✓ (Correct)
D.600
Explanation: $100\% \times 100 + 200\% \times 200 = 100 + 400 = 500$[cite: 5, 6].
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